Update GitHub actions.

Author: devopsix

.github/workflows/build.yml

@@ -7,9 +7,9 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up JDK/Maven
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: 11

.github/workflows/release.yml

@@ -16,19 +16,19 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out from SCM
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Import GPG key
-        uses: crazy-max/ghaction-import-gpg@v5
+        uses: crazy-max/ghaction-import-gpg@v6
         with:
           gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
           passphrase: ${{ secrets.GPG_PASSPHRASE }}
       - name: Set up JDK/Maven
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
             distribution: 'zulu'
             java-version: 11
       - name: Configure Maven settings
-        uses: whelk-io/maven-settings-xml-action@v21
+        uses: whelk-io/maven-settings-xml-action@v22
         with:
           servers: >-
             [{
@@ -71,7 +71,7 @@ jobs:
           release:perform
       - name: Create GitHub release
         id: create_github_release
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         with:
           tag_name: v${{ github.event.inputs.releaseVersion }}
           name: assertj-mail-${{ github.event.inputs.releaseVersion }}