Bump mkdocs-material to v9.6.15 (#58)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pyproject.toml

@@ -43,7 +43,7 @@ dependencies = [
     "aiohttp==3.12.13",
     "prometheus-client==0.22.1",
     "mashumaro==3.16",
-    "mkdocs-material==9.6.14",
+    "mkdocs-material==9.6.15",
     "mkdocstrings[python]==0.29.1",
 ]