fix(ci): implement aggressive cache cleaning for docs build workflow

Author: AbdelStark

.github/workflows/docs.yml

@@ -39,12 +39,21 @@ jobs:
       - name: Setup Yarn version
         run: corepack prepare yarn@3.6.1 --activate
 
+      - name: Clean root Yarn install state
+        run: rm -f .yarn/install-state.gz
+
       - name: Clean Yarn cache
         run: yarn cache clean --all
 
       - name: Install dependencies
         run: yarn install --immutable
 
+      - name: Clean docs workspace before install
+        working-directory: docs
+        run: |
+          rm -rf node_modules yarn.lock .pnp.* .yarn/cache .yarn/build-state.yml
+          echo "Docs workspace cleaned."
+
       - name: Install docs dependencies
         working-directory: docs
         run: yarn install --immutable