chore(deps): bump squidfunk/mkdocs-material from c62453b to f5bcec4 in /docs (aws-powertools#6087)

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

Bumps squidfunk/mkdocs-material from `c62453b` to `f5bcec4`.

---
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]

Diff for: docs/Dockerfile

@@ -1,5 +1,5 @@
 # v9.1.18
-FROM squidfunk/mkdocs-material@sha256:c62453b1ba229982c6325a71165c1a3007c11bd3dd470e7a1446c5783bd145b4
+FROM squidfunk/mkdocs-material@sha256:f5bcec4e71c138bcb89c0dccb633c830f54a0218e1aefedaade952b61b908d00
 # pip-compile --generate-hashes --output-file=requirements.txt requirements.in
 COPY requirements.txt /tmp/
 RUN pip install --require-hashes -r /tmp/requirements.txt