Retry for all tag fetching

[t0yv0]

TestRandomTagsComabinationsGo periodically flakes up on failing to retrieve tags from AWS. This small change should add a retry to hopefully make it more robust.

Fixes #3403

[github-actions]

Does the PR have any schema changes?

Does the PR have any schema changes?

Looking good! No breaking changes found.
No new resources/functions.

Maintainer note: consult the runbook for dealing with any breaking changes.

[github-actions]

Is README.md missing any configuration options?

assumeRoleWithWebIdentity not found in Configuration section
customCaBundle not found in Configuration section
defaultTags not found in Configuration section
ec2MetadataServiceEndpoint not found in Configuration section
ec2MetadataServiceEndpointMode not found in Configuration section
httpProxy not found in Configuration section
httpsProxy not found in Configuration section
ignoreTags not found in Configuration section
noProxy not found in Configuration section
retryMode not found in Configuration section
s3UsEast1RegionalEndpoint not found in Configuration section
sharedConfigFiles not found in Configuration section
skipRequestingAccountId not found in Configuration section
stsRegion not found in Configuration section
tokenBucketRateLimiterCapacity not found in Configuration section
useDualstackEndpoint not found in Configuration section

Please add a description for each of these options to README.md. Details about them can be found in either the upstream docs or schema.json.

[mjeffryes]

would be nice to leave a comment here noting the reason we need to retry

[mjeffryes]

ditto

[t0yv0]

Caught a few more different reasons for this flaky test; this is really difficult to reproduce but I'm guessing it may be about the eventual consistency of having actual tags in AWS. Add some outer retries around fetching actual tags as well. Let's see if this stops flaking. Going to close it optimistically.