change build script to gitea syntax?

.gitea/workflows/build_changed.yml

@@ -1,17 +1,18 @@
-stages:
-  - build_and_upload_changed_packages
+name: Build Changed
+run-name: build_and_upload_changed_packages
+on: push
 
+jobs:
   build_and_upload_changed_packages:
-  image: python:3.9
-  stage: build_and_upload_changed_packages
-  script:
-    - pip install -U pip
-    - pip install twine build toml
+    runs-on: python:3.9
+    steps:
+      - run: pip install -U pip
+      - run: pip install twine build toml
       # Determine the list of changed files using git
-    - git diff --name-only $CI_COMMIT_BEFORE_SHA $CI_COMMIT_SHA > changed_files.txt
+      - run: git diff --name-only $CI_COMMIT_BEFORE_SHA $CI_COMMIT_SHA > changed_files.txt
 
-    # Loop through each package directory, check if version has changed, build if changed, and then upload
-    - |
+      - name: Loop through each package directory, check if version has changed, build if changed, and then upload
+        run: |
           for package_dir in ./*; do
             if [ -d "$package_dir" ]; then
               package_name=$(basename $package_dir)
@@ -54,6 +55,3 @@ build_and_upload_changed_packages:
               fi
             fi
           done
-  only:
-    - pushes
-    - merge_requests