Added new workflow for updating CP version

.github/workflows/update-version.yml

@@ -0,0 +1,43 @@
+name: Update Package Version
+
+on:
+  push:
+    branches:
+      - main
+      - master
+
+permissions:
+  contents: write
+
+jobs:
+  update-version:
+    if: github.actor != 'github-actions[bot]'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Sync version to problem count
+        run: |
+          COUNT=$(find Problems -mindepth 1 -maxdepth 1 -type d | wc -l | tr -d ' ')
+          NEW_VERSION="CP-${COUNT}"
+          CURRENT_VERSION=$(jq -r '.version' package.json)
+
+          echo "Current version: ${CURRENT_VERSION}"
+          echo "New version: ${NEW_VERSION}"
+
+          if [ "$CURRENT_VERSION" = "$NEW_VERSION" ]; then
+            echo "Version already up to date."
+            exit 0
+          fi
+
+          jq --arg v "$NEW_VERSION" '.version=$v' package.json > package.json.tmp
+          mv package.json.tmp package.json
+
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+          git add package.json
+          git commit -m "chore: sync version to problem count [skip ci]"
+          git push