chore: Lock workflow dependencies (OSSF recommendations)

Author: npalm

.github/dependabot.yml

@@ -71,3 +71,17 @@ updates:
       - "docker"
     commit-message:
       prefix: "chore(devcontainer)"
+
+  - package-ecosystem: "pip"
+    directory: "/.github/workflows/mkdocs"
+    schedule:
+      interval: "weekly"
+    groups:
+      python-deps:
+        patterns:
+          - "*"
+    labels:
+      - "dependencies"
+      - "python"
+    commit-message:
+      prefix: "chore(docs)"

.github/workflows/mkdocs/requirements.txt

@@ -0,0 +1,29 @@
+babel==2.17.0
+backrefs==5.9
+certifi==2025.7.14
+charset-normalizer==3.4.2
+click==8.2.1
+colorama==0.4.6
+ghp-import==2.1.0
+idna==3.10
+Jinja2==3.1.6
+Markdown==3.8.2
+MarkupSafe==3.0.2
+mergedeep==1.3.4
+mkdocs==1.6.1
+mkdocs-get-deps==0.2.0
+mkdocs-material==9.6.15
+mkdocs-material-extensions==1.3.1
+packaging==25.0
+paginate==0.5.7
+pathspec==0.12.1
+platformdirs==4.3.8
+Pygments==2.19.2
+pymdown-extensions==10.16
+python-dateutil==2.9.0.post0
+PyYAML==6.0.2
+pyyaml_env_tag==1.1
+requests==2.32.4
+six==1.17.0
+urllib3==2.5.0
+watchdog==6.0.0