Update pre-merge.yml

changes for hands on page 2

Author: MmaxwellCB

.github/workflows/pre-merge.yml

@@ -13,6 +13,11 @@ 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: Compile
         run: mvn compile
       - name: Test