ci: fixate Gemfile versions

[sscheib]

SUMMARY

ISSUE TYPE

• Bugfix Pull Request
• Continuous Integration (CI) Pull Request
• Docs Pull Request
• Feature Pull Request
• Test Pull Request

ADDITIONAL INFORMATION

[github-actions]

Dependency Review

The following issues were found:

• ✅ 0 vulnerable package(s)
• ✅ 0 package(s) with incompatible licenses
• ✅ 0 package(s) with invalid SPDX license definitions
• ✅ 0 package(s) with unknown licenses.
• ⚠️ 1 packages with OpenSSF Scorecard issues.

See the Details below.

OpenSSF Scorecard

Package	Version	Score	Details
rubygems/html-proofer	5.0.9	⚠️ 4.9	Details Check Score Reason Code-Review ⚠️ 1 Found 2/20 approved changesets -- score normalized to 1 Maintained 🟢 10 24 commit(s) and 5 issue activity found in the last 90 days -- score normalized to 10 CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected License 🟢 10 license file detected Signed-Releases ⚠️ -1 no releases found Branch-Protection ⚠️ -1 internal error: error during branchesHandler.setup: internal error: githubv4.Query: Resource not accessible by integration Packaging ⚠️ -1 packaging workflow not detected Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected SAST ⚠️ 0 SAST tool is not run on all commits -- score normalized to 0 Token-Permissions ⚠️ 0 detected GitHub workflow tokens with excessive permissions Binary-Artifacts 🟢 10 no binaries found in the repo Fuzzing ⚠️ 0 project is not fuzzed Vulnerabilities 🟢 10 0 existing vulnerabilities detected Pinned-Dependencies ⚠️ 0 dependency not pinned by hash detected -- score normalized to 0 Security-Policy ⚠️ 0 security policy file not detected
rubygems/jekyll-github-metadata	2.16.1	Unknown	Unknown
rubygems/jekyll-include-cache	0.2.1	Unknown	Unknown
rubygems/just-the-docs	0.8.2	Unknown	Unknown

Scanned Manifest Files

docs/Gemfile

• [email protected]
• [email protected]
• [email protected]
• [email protected]
• html-proofer@~> 5.0
• jekyll-github-metadata@>= 2.15
• jekyll-include-cache@>= 0
• just-the-docs@>= 0

[sscheib]

🎉 This PR is included in version 1.4.1 🎉

The release is available on GitHub release

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