Update CI settings

Author: cowtowncoder

.github/workflows/main.yml

@@ -1,35 +1,28 @@
 name: Build and Deploy Snapshot
 on:
   push:
-    branches:
-    - master
-    - "3.0"
-    - "2.18"
+    branches: [2.*]
     paths-ignore:
     - "README.md"
     - "release-notes/*"
   pull_request:
-    branches:
-    - master
-    - "3.0"
-    - "2.18"
+    branches: [2.*]
     paths-ignore:
     - "README.md"
     - "release-notes/*"
 jobs:
   build:
-    runs-on: ${{ matrix.os }}
+    runs-on: 'ubuntu-latest'
     strategy:
       fail-fast: false
       matrix:
         java_version: ['8', '11', '17']
-        os: ['ubuntu-20.04']
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up JDK
-      uses: actions/setup-java@v3
+      uses: actions/setup-java@v4
       with:
         distribution: 'temurin'
         java-version: ${{ matrix.java_version }}
@@ -57,7 +50,7 @@ jobs:
       run: ./mvnw -B -q -ff -ntp test
     - name: Publish code coverage
       if: github.event_name != 'pull_request' && matrix.java_version == '8'
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./target/site/jacoco/jacoco.xml