Update 'github-pages.yaml' Workflow - Fix several warnings & enable Caching pip packages (#2539)

* Update 'github-pages.yaml' Workflow - Fix several warnings & enable Caching pip packages

* Fix 'github-pages.yaml' Syntax Error

* Make Install Dependencies step actually use the 'requirements.txt' File in 'github-pages.yaml' Workflow

* Update 'actions/setup-python' from v4 to v5 - Remove the Ignore Rule for Dependabot in '.github/dependabot.yml' File

.github/dependabot.yml

@@ -7,5 +7,3 @@ updates:
     ignore:
       - dependency-name: "actions/stale"
         versions: '>= 9'
-      - dependency-name: "actions/setup-python"
-        versions: '> 4'

.github/workflows/github-pages.yaml

@@ -1,25 +1,31 @@
 name: GitHub Pages Deploy
+
 on:
   release:
     types: [published, prereleased]
   workflow_dispatch:
+
 permissions:
   contents: write
+
 jobs:
   deploy:
     runs-on: ubuntu-latest
+
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
+      - name: Checkout Repository
+        uses: actions/checkout@v4
         with:
-          python-version: 3.x
-      - uses: actions/cache@v4
+          fetch-depth: '0'  # Fetch all commit history for all branches as well as tags.
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
         with:
-          key: ${{ github.ref }}
-          path: .cache
-      - run: pip install mkdocs-material
-      - run: pip install pillow cairosvg
-      - run: pip install mkdocs-awesome-pages-plugin
-      - run: pip install mkdocs-git-revision-date-localized-plugin
-      - run: pip install mkdocs-minify-plugin
-      - run: mkdocs gh-deploy --force
+          python-version: 3.x  # Install latest Stable release of Python 3
+          cache: 'pip'  # caching pip dependencies
+
+      - name: Install Necessary Dependencies using 'pip install -r requirements.txt'
+        run: pip install -r requirements.txt
+
+      - name: Build & Deploy using 'mkdocs'
+        run: mkdocs gh-deploy --force