Add Packagist deploy workflow on release creation

Author: GautierDele

.github/workflows/packagist-deploy.yml

@@ -0,0 +1,20 @@
+name: Packagist Deploy
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: mnavarrocarter/packagist-update@v1.0.0
+        with:
+          username: "GautierDele"
+          api_token: ${{ secrets.PACKAGIST_TOKEN }}