chore(deps): bump golang from 1.26-alpine to 1.27-alpine

[dependabot]

Bumps golang from 1.26-alpine to 1.27-alpine.

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.

---

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 show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @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)

[github-actions]

	Tests	Passed ✅	Skipped	Failed
JUnit Test Report	18 ran	18 passed	0 skipped	0 failed

Test	Result
JUnit Test Report
com/rm-hull/github-oauth-proxy/internal/api.TestServer/GET_/healthz	✅ passed
com/rm-hull/github-oauth-proxy/internal/api.TestServer/GET_/metrics	✅ passed
com/rm-hull/github-oauth-proxy/internal/api.TestServer/POST_/v1/github/token_-_Success	✅ passed
com/rm-hull/github-oauth-proxy/internal/api.TestServer/POST_/v1/github/token_-_Invalid_Origin	✅ passed
com/rm-hull/github-oauth-proxy/internal/api.TestServer	✅ passed
com/rm-hull/github-oauth-proxy/internal/config.TestLoadConfig/Success_with_valid_config	✅ passed
com/rm-hull/github-oauth-proxy/internal/config.TestLoadConfig/Success_with_multiple_secrets	✅ passed
com/rm-hull/github-oauth-proxy/internal/config.TestLoadConfig/Missing_secrets	✅ passed
com/rm-hull/github-oauth-proxy/internal/config.TestLoadConfig/Invalid_secret_format	✅ passed
com/rm-hull/github-oauth-proxy/internal/config.TestLoadConfig/IsOriginAllowed	✅ passed
com/rm-hull/github-oauth-proxy/internal/config.TestLoadConfig	✅ passed
com/rm-hull/github-oauth-proxy/internal/github.TestExchangeToken/Success	✅ passed
com/rm-hull/github-oauth-proxy/internal/github.TestExchangeToken/API_Error_Response	✅ passed
com/rm-hull/github-oauth-proxy/internal/github.TestExchangeToken/Server_Error	✅ passed
com/rm-hull/github-oauth-proxy/internal/github.TestExchangeToken	✅ passed
com/rm-hull/github-oauth-proxy/internal/middleware.TestLoggerMiddleware/Logs_standard_paths	✅ passed
com/rm-hull/github-oauth-proxy/internal/middleware.TestLoggerMiddleware/Excludes_paths	✅ passed
com/rm-hull/github-oauth-proxy/internal/middleware.TestLoggerMiddleware	✅ passed

• View JUnit Test Report

[coveralls]

Coverage Report for CI Build 32883464583

Coverage increased (+1.3%) to 65.625%

Details

• Coverage increased (+1.3%) from the base build.
• Patch coverage: No coverable lines changed in this PR.
• No coverage regressions found.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

No coverage regressions found.

---

Coverage Stats

Relevant Lines:	256
Covered Lines:	168
Line Coverage:	65.63%
Coverage Strength:	0.66 hits per line

---

💛 - Coveralls