Fix deploy job GPG setup to match other extensions

Author: zspitzer

.github/workflows/main.yml

@@ -556,14 +556,23 @@ jobs:
         with:
           java-version: '21'
           distribution: 'temurin'
-          server-id: ossrh
-          server-username: MAVEN_USERNAME
-          server-password: MAVEN_PASSWORD
-          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
-          gpg-passphrase: GPG_PASSPHRASE
+
+      - name: Cache Maven packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+
+      - name: Import GPG key
+        run: |
+          echo "$GPG_PRIVATE_KEY" | base64 --decode | gpg --batch --import
+        env:
+          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
 
       - name: Deploy extension to Maven Central
-        run: mvn -B -e clean install -Dgoal=deploy
+        run: mvn -B -e clean install -Dgoal=deploy --settings maven-settings.xml
         env:
           MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
           MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}

maven-settings.xml

@@ -0,0 +1,22 @@
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
+	<servers>
+		<server>
+			<id>ossrh</id>
+			<username>${env.MAVEN_USERNAME}</username>
+			<password>${env.MAVEN_PASSWORD}</password>
+		</server>
+	</servers>
+	<profiles>
+		<profile>
+			<id>gpg</id>
+			<properties>
+				<gpg.passphrase>${env.GPG_PASSPHRASE}</gpg.passphrase>
+			</properties>
+		</profile>
+	</profiles>
+	<activeProfiles>
+		<activeProfile>gpg</activeProfile>
+	</activeProfiles>
+</settings>