Escape colons in Ark requests

[mbklein]

Summary

Escape colons in Ark requests

Specific Changes in this PR

• Update ANVL escaping to include all escapable characters (%:\r\n)
• Fix a bunch of longstanding compiler warnings

Version bump required by the PR

See Semantic Versioning 2.0.0 for help discerning which is required.

• Patch
• Minor
• Major

Steps to Test

1. Update your dev.local.exs to point to the live cdlib test ARK API:
   a. copy the config :meadow, ark: %{...} stanza out of config.exs into dev.local.exs
   b. replace url: aws_secret(...) with url: "https://ezid.cdlib.org/"
2. Create a work (or edit an existing one) with a colon in the title
3. Mint an ark for that work

🚀 Deployment Notes

Note - if you check any of these boxes go to the (always open) main <- staging PR and add detailed notes and instructions to help out others who may end up deploying your changes to production

• Backward compatible API changes
  • Database Schema changes
  • GraphQL API
  • Elasticsearch API
  • Ingest Sheet
  • CSV metadata export/update API
  • Shared Links export API
• Backwards-incompatible API changes
  • Database Schema changes
  • GraphQL API
  • Elasticsearch API
  • Ingest Sheet
  • CSV metadata export/update API
  • Shared Links export API
• Requires data migration
• Requires database triggers disabled during deployment/migration
• Requires reindex
• Terraform changes
  • Adds/requires new or changed Terraform variables
• Pipeline configuration changes (requires mix meadow.pipeline.setup run)
• Requires new variable added to miscellany
• Specific deployment synchronization instructions with other apps/API's
• Other specific instructions/tasks

Tested/Verified

• End users/stakeholders