Update pre-merge.yml

Author: samyakk-rai

.github/workflows/pre-merge.yml

@@ -17,6 +17,13 @@ jobs:
         with:
           java-version: 21
           distribution: "adopt"
+      - uses: actions/setup-python@v5
+        with:
+         python-version: '3.13'
+      - name: Install Launchable command
+        run: pip install --user --upgrade launchable~=1.0
+      - name: Launchable verify
+        run: launchable verify
       - name: Compile
         run: mvn compile
       - name: Test