Update rusoto_s3 requirement from 0.40 to 0.42

[dependabot-preview]

Updates the requirements on rusoto_s3 to permit the latest version.

Release notes

Sourced from rusoto_s3's releases.

Rusoto 0.42.0

[0.42.0] - 2019-11-18

• Use static initializer for AWS profile regex
• Add QLDB service
• Add QLDB Session service
• Update Skeptic tests for Rusoto v0.41
• Don't decode query string parameters before encoding it. Results in fixing the prefix and marker
  params for s3 list_objects methods
• Add Textract service
• Update CloudDirectory API definition to 2017-01-11
• Add SecurityHub service
• Add Transfer service
• Introducing rusoto_signature, a standalone crate for signing HTTP requests.
• Make static credentials into a credential provider
• Add anonymous credentials support
• Don't trim whitepsace when parsing xml payload. Fixes truncating of items with spaces in payloads
  such as an S3 key returned in list_objects_v2
• Region deserialization format matches what Region serializers expect: rusoto/rusoto#1544
• Fixed regression of x-amz-content-sha256 header not being signed: rusoto/rusoto#1545
• Allow rustls to be used in rusoto_mock: rusoto/rusoto#1557
• Added opt-in ability for service objects to be serialized: rusoto/rusoto#1560
• Avoid panicking in credential provider when parsing credentials file: rusoto/rusoto#1573

Changelog

Sourced from rusoto_s3's changelog.

[0.42.0] - 2019-11-18

• Use static initializer for AWS profile regex
• Add QLDB service
• Add QLDB Session service
• Update Skeptic tests for Rusoto v0.41
• Don't decode query string parameters before encoding it. Results in fixing the prefix and marker
  params for s3 list_objects methods
• Add Textract service
• Update CloudDirectory API definition to 2017-01-11
• Add SecurityHub service
• Add Transfer service
• Introducing rusoto_signature, a standalone crate for signing HTTP requests.
• Make static credentials into a credential provider
• Add anonymous credentials support
• Don't trim whitepsace when parsing xml payload. Fixes truncating of items with spaces in payloads
  such as an S3 key returned in list_objects_v2
• Region deserialization format matches what Region serializers expect: rusoto/rusoto#1544
• Fixed regression of x-amz-content-sha256 header not being signed: rusoto/rusoto#1545
• Allow rustls to be used in rusoto_mock: rusoto/rusoto#1557
• Added opt-in ability for service objects to be serialized: rusoto/rusoto#1560
• Avoid panicking in credential provider when parsing credentials file: rusoto/rusoto#1573

[0.41.1] - 2019-10-11

• Fixed regression in rusoto_credential session token handling: rusoto/rusoto#1528

[0.41.0] - 2019-10-07

• Add HttpClient::from_builder
• Upgrade to botocore from 1.12.163 to 1.12.230
• The types rusoto_events::{CloudWatchEvents,CloudWatchEventsClient} were renamed to rusoto_events::{EventBridge,EventBridgeClient}
• Deserialize PostTextResponse correctly by allowing null values in the slots field
• Fix Profile Config Loading: should ignore comments with '=' chars
• Add App Mesh service
• Fix service_crategen to parse operations with multiple static params
• Refactor S3 integration tests - about a #[test] per behavior
• Add support for non signing clients
• Add EC2 Instance Connect service
• Allow deserialization of regions without an endpoint specified
• Add ApNortheast3 region
• Add MeSouth1 region
• Add x-amz-content-sha256 header to signed and canonical headers
• Added Eq and Hash implementations on Region
• Fixed parsing of Athena error messages
• Fix credential_process behavior when using the non-default profile
• Correctly read session tokens from credential_process

[0.40.0] - 2019-06-28

... (truncated)

Commits

• b363475 Merge pull request #1608 from iliana/credential-readme
• 63d6b5c Add README.md for signature
• 9243e30 Merge pull request #1607 from iliana/fix-dev-deps
• 94690e2 credential: Remove circular dev-dependencies
• f133ea4 Merge pull request #1598 from iliana/release-0.42.0
• 9e06cf8 Release 0.42.0
• dba5021 Merge pull request #1594 from rusoto/changelog-for-0.42.0
• ded14a5 Update CHANGELOG to catch all 0.42.0 stragglers.
• bd03edc Merge pull request #1588 from sepiropht/service-crategen-clippy-fixes
• 081d70b Merge pull request #1581 from itsHabib/xml-payload-whitespace
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Note: This repo was added to Dependabot recently, so you'll receive a maximum of 5 PRs for your first few update runs. Once an update run creates fewer than 5 PRs we'll remove that limit.

You can always request more updates by clicking Bump now in your Dependabot dashboard.

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language
• @dependabot badge me will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in your Dependabot dashboard:

• Update frequency (including time of day and day of week)
• Pull request limits (per update run and/or open at any time)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)