fix(deps): bump github.com/opentdf/platform/protocol/go from 0.20.0 to 0.21.0 in /sdk

[dependabot]

Bumps github.com/opentdf/platform/protocol/go from 0.20.0 to 0.21.0.

Release notes

Sourced from github.com/opentdf/platform/protocol/go's releases.

protocol/go: v0.21.0

0.21.0 (2026-03-26)

Features

• policy: optional namespace for RRs (#3165) (8948018)

Bug Fixes

• deps: bump google.golang.org/grpc from 1.67.1 to 1.79.3 in /protocol/go (#3173) (447ece6)

Changelog

Sourced from github.com/opentdf/platform/protocol/go's changelog.

0.21.0 (2025-05-29)

Features

• Add initial Dependency Review configuration (#551) (b622666)
• core: Add base key cmds (#563) (edfd6c0)
• core: DSPX-18 clean up Go context usage to follow best practices (#558) (a2c9f8b)
• core: DSPX-608 - Deprecate public_client_id (#555) (8d396bd)
• core: DSPX-608 - require clientID for login (#553) (580172e)
• core: DSPX-896 add registered resources CRUD (#559) (8e7475e)
• core: KAS allowlist options (#539) (af7978f)
• core: key management operations (#533) (d4f6aaa)
• main: add actions CRUD and e2e tests (#523) (2fb9ec7)
• main: refactor actions within existing CLI policy object CRUD (#543) (9ab1a58)
• core: Resource mapping groups (#567) (03fa307)
• core: Update key mgmt flags to consistent format (#570) (#846f96c)
• core: Rotate Key (#572) (afd0043)

Bug Fixes

• ci: ci job should run on changes to GHA (#530) (1d296ca)
• main: Pass the full url when building the sdk object (#544) (8b836f0)

Commits

• 9ca66ed chore(main): release 0.21.0 (#531)
• 0c48d2a chore(ci): ensure CI workflow passes reuiqred checks by removing paths-ignore...
• 007c4c1 chore(ci): Set empty manifest-file input (#574)
• 0ecdc55 chore(ci): Fix secrets passing for reusable workflows (#573)
• afd0043 feat(core): Rotate key. (#572)
• 846f96c fix: update key mgmt flags to consistent format (#570)
• ebe260f chore(ci): DSPX-850 - Fix workflow refs (#571)
• 03fa307 feat(core): Resource mapping groups (#567)
• 2e5d2a7 chore(ci): Add workflows to support LTS releases (#560)
• edfd6c0 feat(core): Add base key cmds (#563)
• Additional commits viewable in compare view

[coderabbitai]

Important

Review skipped

Bot user detected.

To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Repository UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: d2d4847b-053c-41b9-80cc-7472d1cde1ea

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch dependabot/go_modules/sdk/github.com/opentdf/platform/protocol/go-0.21.0

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[github-actions]

Benchmark results, click to expand

Benchmark authorization.GetDecisions Results:

Metric	Value
Approved Decision Requests	1000
Denied Decision Requests	0
Total Time	198.742139ms

Benchmark authorization.v2.GetMultiResourceDecision Results:

Metric	Value
Approved Decision Requests	1000
Denied Decision Requests	0
Total Time	104.811556ms

Benchmark Statistics

Name	№ Requests	Avg Duration	Min Duration	Max Duration

Bulk Benchmark Results

Metric	Value
Total Decrypts	100
Successful Decrypts	100
Failed Decrypts	0
Total Time	401.081387ms
Throughput	249.33 requests/second

TDF3 Benchmark Results:

Metric	Value
Total Requests	5000
Successful Requests	5000
Failed Requests	0
Concurrent Requests	50
Total Time	41.43982315s
Average Latency	412.217829ms
Throughput	120.66 requests/second

[github-actions]

X-Test Results

✅ go-pull-3219
✅ go-v0.9.0
✅ java-pull-3219
✅ js-pull-3219
✅ java-v0.9.0
bats-test-results
✅ js-v0.9.0
cukes-report
opentdfplatform8L15V6.dockerbuild

[alkalescent]

@dependabot rebase

Invalidated by push of 23b1daf

[github-actions]

Benchmark results, click to expand

Benchmark authorization.GetDecisions Results:

Metric	Value
Approved Decision Requests	1000
Denied Decision Requests	0
Total Time	204.519875ms

Benchmark authorization.v2.GetMultiResourceDecision Results:

Metric	Value
Approved Decision Requests	1000
Denied Decision Requests	0
Total Time	101.627118ms

Benchmark Statistics

Name	№ Requests	Avg Duration	Min Duration	Max Duration

Bulk Benchmark Results

Metric	Value
Total Decrypts	100
Successful Decrypts	100
Failed Decrypts	0
Total Time	387.021839ms
Throughput	258.38 requests/second

TDF3 Benchmark Results:

Metric	Value
Total Requests	5000
Successful Requests	5000
Failed Requests	0
Concurrent Requests	50
Total Time	41.361944684s
Average Latency	411.572984ms
Throughput	120.88 requests/second

[github-actions]

X-Test Results

✅ go-pull-3219
✅ java-pull-3219
✅ go-v0.9.0
✅ js-pull-3219
✅ java-v0.9.0
✅ js-v0.9.0
bats-test-results
cukes-report
opentdfplatform66D05A.dockerbuild