chore(deps): bump squidfunk/mkdocs-material from 5358893 to 8a87f05 in /docs (#4408)

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

Bumps squidfunk/mkdocs-material from `5358893` to `8a87f05`.

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

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

Author: dependabot[bot]

docs/Dockerfile

@@ -1,5 +1,5 @@
 # v9.1.18
-FROM squidfunk/mkdocs-material@sha256:5358893a04dc6ed0e267ef1c0c06abc5d6b00d13dd0fee703c978ef98d56fd53
+FROM squidfunk/mkdocs-material@sha256:8a87f059a80626324d012a72dc9a7b4275e89d1d6a83d1c55fed8063cc562fab
 # pip-compile --generate-hashes --output-file=requirements.txt requirements.in
 COPY requirements.txt /tmp/
 RUN pip install --require-hashes -r /tmp/requirements.txt