Get changelog automatically

.github/workflows/build.yml

@@ -20,10 +20,10 @@ jobs:
         python-version: [ 3.7 ]
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -42,14 +42,15 @@ jobs:
     if: success() && github.event_name == 'create' && startsWith(github.ref, 'refs/tags/')
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Build assets
         run: ./scripts/build.sh
 
       - name: Perform release
         run: |
           git_tag="$(sed 's|refs/tags/||' <<< "${{ github.ref }}")"
-          gh release create "${git_tag}" build/*.zip
+          changelog="$(perl -0777ne '/<news>\s*(.*?)\s*<\/news>/s && print $1' addon.xml)"
+          gh release create "${git_tag}" build/*.zip --notes "${changelog}"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}