Add changelog update action

.github/workflows/ci.yml

@@ -1,6 +1,6 @@
 name: CI
 
-on: [push, pull_request]
+on: [ push, pull_request ]
 
 jobs:
   run-phpunit-tests:

.github/workflows/phpstan.yml

@@ -1,6 +1,6 @@
 name: PHPStan
 
-on: [push, pull_request]
+on: [ push, pull_request ]
 
 jobs:
   run-phpstan-analysis:

.github/workflows/update-changelog.yml

@@ -0,0 +1,28 @@
+name: "Update Changelog"
+
+on:
+  release:
+    types: [ released ]
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: main
+
+      - name: Update Changelog
+        uses: stefanzweifel/changelog-updater-action@v1
+        with:
+          latest-version: ${{ github.event.release.name }}
+          release-notes: ${{ github.event.release.body }}
+
+      - name: Commit updated CHANGELOG
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          branch: main
+          commit_message: Update CHANGELOG
+          file_pattern: CHANGELOG.md

CHANGELOG.md

@@ -0,0 +1,7 @@
+# Changelog
+
+All notable changes to `ocrmypdf-php` will be documented in this file
+
+## 1.0.0 - 2021-05-30
+
+- Initial release! 🎉