Bump squidfunk/mkdocs-material from 7.1.7 to 7.1.8 (#104)

Bumps squidfunk/mkdocs-material from 7.1.7 to 7.1.8.

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

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

Dockerfile

@@ -1,4 +1,4 @@
-FROM squidfunk/mkdocs-material:7.1.7
+FROM squidfunk/mkdocs-material:7.1.8
 LABEL maintainer="Michael Hausenblas, hausenbl@amazon.com"
 
 COPY action.sh /action.sh