Update docker.io/squidfunk/mkdocs-material Docker tag to v9.5.19

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker.io/squidfunk/mkdocs-material	final	patch	9.5.18 -> 9.5.19

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Release Notes

squidfunk/mkdocs-material (docker.io/squidfunk/mkdocs-material)

v9.5.19: mkdocs-material-9.5.19

Compare Source

• Updated MkDocs to 1.6 and limited version to < 2
• Updated Docker image to latest Alpine Linux
• Removed setup.py, now that GitHub fully understands pyproject.toml
• Improved interop of social plugin with third-party MkDocs themes
• Fixed #​7099: Blog reading time not rendered correctly for Japanese
• Fixed #​7097: Improved resilience of tags plugin when no tags are given
• Fixed #​7090: Active tab indicator in nested content tabs rendering bug

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