chore(deps): bump squidfunk/mkdocs-material in /docs (#2451)

Bumps squidfunk/mkdocs-material from `e309089` to `98c9809`.

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

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

Author: dependabot[bot]

docs/Dockerfile

@@ -1,5 +1,5 @@
 # version 9.5.2
-FROM squidfunk/mkdocs-material@sha256:e3090898189e428f51f46faa2a59c90765abf8304fe4d2d2c401199d170cd991
+FROM squidfunk/mkdocs-material@sha256:98c9809e64d0b9b3a4cf0c4c77d99e9bf42f2aaa331decb7c4b48ad4df64e6f5
 
 ADD requirements.txt /tmp/
 RUN pip install --require-hashes -r /tmp/requirements.txt