Update build action versions

Author: rbygrave

.github/workflows/build.yml

@@ -17,14 +17,14 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up JDK 11
-      uses: actions/setup-java@v2
+      uses: actions/setup-java@v4
       with:
         java-version: ${{ matrix.java_version }}
         distribution: 'zulu'
     - name: Maven cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       env:
         cache-name: maven-cache
       with:

.github/workflows/jdk-ea.yml

@@ -4,7 +4,7 @@ name: JDK EA
 on:
   workflow_dispatch:
   schedule:
-    - cron: '12 8 * * 1,3,5'
+    - cron: '12 8 * * 5'
 
 jobs:
   build:
@@ -20,14 +20,14 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Java
       uses: oracle-actions/setup-java@v1
       with:
         website: jdk.java.net
         release: ${{ matrix.java_version }}
     - name: Maven cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       env:
         cache-name: maven-cache
       with: