Fix missing NPM packages

Author: AbitTheGray

.github/workflows/main.yml

@@ -8,6 +8,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Install NPM packages
+        run: |
+          npm install @actions/core
+          npm install @actions/github
+
       - name: Test minimal.json
         uses: ./
         with: