Update build workflow

Author: santaimpersonator

.github/workflows/build_documentation.yml

@@ -35,7 +35,7 @@ jobs:
           python-version: 3.x
 
       - name: Install Python dependencies
-        run: pip install mkdocs-monorepo-plugin mkdocs-redirects mkdocs-git-revision-date-localized-plugin mkdocs-git-committers-plugin-2 Pillow 'mkdocs-material[imaging]'
+        run: pip install -r requirements.txt
 
       - name: Set up build cache
         run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV
@@ -46,8 +46,5 @@ jobs:
           restore-keys: |
             mkdocs-material-
 
-      - name: Install Insiders build
-        env:
-          MKDOCS_TOKEN: ${{ secrets.MKDOCS_SECRET }}
-        run: pip install git+https://${MKDOCS_TOKEN}@github.com/squidfunk/mkdocs-material-insiders.git
-      - run: mkdocs gh-deploy --force
+      - name: Build Webpage
+        run: mkdocs gh-deploy --force

requirements.txt

@@ -0,0 +1,6 @@
+mkdocs-material
+mkdocs-monorepo-plugin
+mkdocs-redirects
+mkdocs-git-revision-date-localized-plugin
+mkdocs-git-committers-plugin-2
+Pillow