Pin mkdocs-material version to 9.7.0

Updated mkdocs-material version to 9.7.0 in workflow.

Author: samapriya

.github/workflows/publish-site.yml

@@ -33,8 +33,7 @@ jobs:
           uv pip install --system \
             wheel \
             lxml \
-            mkdocs \
-            mkdocs-material \
+            "mkdocs-material==9.7.0" \
             "mkdocs-material-extensions" \
             "mkdocs-get-deps" \
             "cairosvg>=2.5" \