Use JDK 19 and simplify CI

.gitea/workflows/build.yml

@@ -3,11 +3,9 @@ name: build-and-deploy
 on:
   push:
     branches: [ "master" ]
-  pull_request:
-    branches: [ "master" ]
 
 jobs:
-  build:
+  build-deploy:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
@@ -21,8 +19,6 @@ jobs:
           java-version: "19"
           cache: gradle
 
-      - name: Build
-        run: ./gradlew build -x test --no-daemon --info --stacktrace
       - name: Build (skip tests)
         env:
           GRADLE_OPTS: "-Dorg.gradle.internal.http.connectionTimeout=60000 -Dorg.gradle.internal.http.socketTimeout=60000"