chore: Create legacy branch for java 11

.github/workflows/legacy.yml

@@ -0,0 +1,48 @@
+name: Merge to Legacy
+
+on:
+  push:
+    branches:
+      - 'legacy'
+
+jobs:
+  unit-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: 11
+          distribution: temurin
+      - uses: actions/cache@v1
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+      - name: Test
+        run: mvn clean install -DskipTests=false --update-snapshots -q
+
+  artifact:
+    name: Publish - Nexus
+    runs-on: ubuntu-latest
+    needs: unit-test
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: 11
+          distribution: temurin
+      - name: Remove snapshot
+        run: mvn -B versions:set -DremoveSnapshot -DgenerateBackupPoms=false
+      - name: Release Maven package
+        uses: samuelmeuli/action-maven-publish@v1
+        with:
+          nexus_username: ${{ secrets.SONATYPE_OSSRH_USERNAME }}
+          nexus_password: ${{ secrets.SONATYPE_OSSRH_PASSWORD }}
+          gpg_private_key: ${{ secrets.PGP_PRIVATE_KEY }}
+          gpg_passphrase: ${{ secrets.PGP_PASSPHRASE }}
+          maven_profiles: "master"

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>org.hisp.dhis.rules</groupId>
     <artifactId>rule-engine</artifactId>
-    <version>2.1.8-SNAPSHOT</version>
+    <version>2.1.8.0-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>rule-engine</name>