chore(deps): bump mkdocs-material from 9.5.4 to 9.5.5 in /docs (#1949)

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 9.5.4 to 9.5.5.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.5.4...9.5.5)

---
updated-dependencies:
- dependency-name: mkdocs-material
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docs/requirements.in

@@ -1,4 +1,4 @@
 mike==1.1.2
-mkdocs-material==9.5.4
+mkdocs-material==9.5.5
 mkdocs-git-revision-date-plugin==0.3.2
 mkdocs-exclude==1.0.2

docs/requirements.txt

@@ -229,9 +229,9 @@ mkdocs-exclude==1.0.2 \
 mkdocs-git-revision-date-plugin==0.3.2 \
     --hash=sha256:2e67956cb01823dd2418e2833f3623dee8604cdf223bddd005fe36226a56f6ef
     # via -r requirements.in
-mkdocs-material==9.5.4 \
-    --hash=sha256:3d196ee67fad16b2df1a458d650a8ac1890294eaae368d26cee71bc24ad41c40 \
-    --hash=sha256:efd7cc8ae03296d728da9bd38f4db8b07ab61f9738a0cbd0dfaf2a15a50e7343
+mkdocs-material==9.5.5 \
+    --hash=sha256:4480d9580faf42fed0123d0465502bfc1c0c239ecc9c4d66159cf0459ea1b4ae \
+    --hash=sha256:ac50b2431a79a3b160fdefbba37c9132485f1a69166aba115ad49fafdbbbc5df
     # via -r requirements.in
 mkdocs-material-extensions==1.3.1 \
     --hash=sha256:10c9511cea88f568257f960358a467d12b970e1f7b2c0e5fb2bb48cab1928443 \