feat(java): Add Java SDK generation step to pipeline (#38)

Author: Benjosh95

.github/workflows/sdk-pr.yaml

@@ -86,3 +86,37 @@ jobs:
           GH_TOKEN: ${{ secrets.SDK_PR_TOKEN }}
         run: |
           scripts/sdk-create-pr.sh "generator-bot-${{ github.run_id }}" "Generated from GitHub run [${{ github.run_id }}](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})" "git@github.com:stackitcloud/stackit-sdk-python.git" "python"
+
+  main-java:
+    name: "[Java] Update SDK Repo"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install SSH Key
+        uses: shimataro/ssh-key-action@v2
+        with:
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          known_hosts: ${{ vars.SSH_KNOWN_HOSTS }}
+      - name: Install Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: "temurin"
+          java-version: ${{ env.JAVA_VERSION }}
+      - name: Checkout generator repo
+        uses: actions/checkout@v5
+        with:
+          repository: "stackitcloud/stackit-sdk-generator"
+          ref: "main"
+      - name: Build
+        uses: ./.github/actions/build/java
+        with:
+          go-version: ${{ env.GO_VERSION }}
+      - name: Download OAS
+        run: make download-oas
+      - name: Generate SDK
+        run: make generate-sdk LANGUAGE=java
+      - name: Push Java SDK
+        env:
+          GH_REPO: "stackitcloud/stackit-sdk-java"
+          GH_TOKEN: ${{ secrets.SDK_PR_TOKEN }}
+        run: |
+          scripts/sdk-create-pr.sh "generator-bot-${{ github.run_id }}" "Generated from GitHub run [${{ github.run_id }}](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})" "git@github.com:stackitcloud/stackit-sdk-java.git" "java"