chore(deps): bump squidfunk/mkdocs-material in /docs

Bumps squidfunk/mkdocs-material from `98c9809` to `11d7ec0`.

---
updated-dependencies:
- dependency-name: squidfunk/mkdocs-material
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

docs/Dockerfile

@@ -1,5 +1,5 @@
 # v9.1.18
-FROM squidfunk/mkdocs-material@sha256:98c9809e64d0b9b3a4cf0c4c77d99e9bf42f2aaa331decb7c4b48ad4df64e6f5
+FROM squidfunk/mkdocs-material@sha256:11d7ec0a6e543bd56469a08d6ea1a7bc8c613cf6197be9629c4523d2d7db1c9c
 # pip-compile --generate-hashes --output-file=requirements.txt requirements.in
 COPY requirements.txt /tmp/
 RUN pip install --require-hashes -r /tmp/requirements.txt