Bump github actions to v3

Author: rbygrave

.github/workflows/build.yml

@@ -14,14 +14,14 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Java
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.java_version }}
           distribution: "zulu"
       - name: Maven cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         env:
           cache-name: maven-cache
         with:

.github/workflows/jdk-ea.yml

@@ -20,14 +20,14 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - 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@v3
       env:
         cache-name: maven-cache
       with: