Update actions/checkout action to v7

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v6 → v7

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Release Notes

actions/checkout (actions/checkout)

v7.0.0

Compare Source

• Block checking out fork PR for pull_request_target and workflow_run by @​aiqiaoy in #​2454
• Bump actions/publish-immutable-action from 0.0.3 to 0.0.4 in the minor-actions-dependencies group across 1 directory by @​dependabot[bot] in #​2458
• Bump flatted from 3.3.1 to 3.4.2 by @​dependabot[bot] in #​2460
• Bump js-yaml from 4.1.0 to 4.2.0 by @​dependabot[bot] in #​2461
• Bump @​actions/core and @​actions/tool-cache and Remove uuid by @​dependabot[bot] in #​2459
• upgrade module to esm and update dependencies by @​aiqiaoy in #​2463
• Bump the minor-npm-dependencies group across 1 directory with 3 updates by @​dependabot[bot] in #​2462

v7

Compare Source

• Block checking out fork PR for pull_request_target and workflow_run by @​aiqiaoy in #​2454
• Bump actions/publish-immutable-action from 0.0.3 to 0.0.4 in the minor-actions-dependencies group across 1 directory by @​dependabot[bot] in #​2458
• Bump flatted from 3.3.1 to 3.4.2 by @​dependabot[bot] in #​2460
• Bump js-yaml from 4.1.0 to 4.2.0 by @​dependabot[bot] in #​2461
• Bump @​actions/core and @​actions/tool-cache and Remove uuid by @​dependabot[bot] in #​2459
• upgrade module to esm and update dependencies by @​aiqiaoy in #​2463
• Bump the minor-npm-dependencies group across 1 directory with 3 updates by @​dependabot[bot] in #​2462

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[github-actions]

✅⚠️MegaLinter analysis: Success with warnings

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ ACTION	actionlint	4		0	0	0.03s
✅ JSON	jsonlint	4		0	0	0.09s
✅ JSON	prettier	4		0	0	0.39s
✅ JSON	v8r	4		0	0	8.35s
⚠️ MARKDOWN	markdownlint	160		4	0	2.21s
⚠️ MARKDOWN	markdown-table-formatter	160		1	0	0.44s
✅ REPOSITORY	checkov	yes		no	no	18.75s
✅ REPOSITORY	git_diff	yes		no	no	0.04s
✅ REPOSITORY	secretlint	yes		no	no	1.98s
✅ REPOSITORY	trufflehog	yes		no	no	4.12s
✅ SPELL	codespell	169		0	0	0.58s
⚠️ SPELL	lychee	169		2	0	25.15s
✅ YAML	prettier	5		0	0	0.38s
✅ YAML	v8r	5		0	0	5.6s
✅ YAML	yamllint	5		0	0	0.44s

Detailed Issues

⚠️ SPELL / lychee - 2 errors

📝 Summary
---------------------
🔍 Total..........920
🔗 Unique.........744
✅ Successful.....857
⏳ Timeouts.........0
🔀 Redirected......47
👻 Excluded........61
❓ Unknown..........0
🚫 Errors...........2
⛔ Unsupported......2

Errors in docs/release-notes/osism-7.md
[ERROR] https://www.openstack.org/software/openstack-bobcat (at 977:38) | Connection failed. Check network connectivity and firewall settings

Errors in docs/release-notes/osism-8.md
[ERROR] https://docs.openstack.org/releasenotes/horizon/2024.1.html (at 234:12) | Connection closed before response completed

Hint: Followed 47 redirects. You might want to consider replacing redirecting URLs with the resolved URLs. Use verbose mode (`-v`/`-vv`) to see redirection details.

⚠️ MARKDOWN / markdown-table-formatter - 1 error

1 files contain markdown tables to format:
- docs/guides/developer-guide/retiring-openstack-releases.md

⚠️ MARKDOWN / markdownlint - 4 errors

docs/guides/developer-guide/retiring-openstack-releases.md:181:450 error MD060/table-column-style Table column style [Table pipe does not align with header for style "aligned"]
docs/guides/developer-guide/retiring-openstack-releases.md:181:535 error MD060/table-column-style Table column style [Table pipe does not align with header for style "aligned"]
docs/guides/developer-guide/retiring-openstack-releases.md:183:417 error MD060/table-column-style Table column style [Table pipe does not align with header for style "aligned"]
docs/guides/developer-guide/retiring-openstack-releases.md:183:502 error MD060/table-column-style Table column style [Table pipe does not align with header for style "aligned"]

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