Tweak action triggers

.gitea/workflows/build.yml

@@ -1,6 +1,10 @@
 name: Build with gradle
 run-name: Building for ${{ gitea.actor }}
-on: [pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - 'main'
 
 jobs:
   Build-with-gradle:

.gitea/workflows/linting.yml

@@ -1,10 +1,15 @@
 name: Java Google Checkstyle
+run-name: Linting for ${{ gitea.actor }}
 
 permissions:
   contents: read
   pull-request: write
 
-on: [pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - 'main'
 
 jobs:
   checkstyle:
@@ -22,13 +27,6 @@ jobs:
           java-version: '22'
           distribution: 'zulu'
 
-      - name: 'Find changed Java files'
-        id: changed-files
-        uses: tj-actions/changed-files@v44
-        with:
-          files: |
-            **.java
-
       - name: 'Setup Reviewdog'
         uses: reviewdog/action-setup@v1
         with:
@@ -37,6 +35,13 @@ jobs:
       - name: 'Pull code'
         uses: actions/checkout@v6
 
+      - name: 'Find changed Java files'
+        id: changed-files
+        uses: tj-actions/changed-files@v44
+        with:
+          files: |
+            **.java
+
       - name: 'Run Checkstyle with Reviewdog'
         if: steps.changed-files.outputs.any_changed == 'true'
         run: |