Update python version in chart testing workflow

Signed-off-by: Cody Soyland <[email protected]>

Author: codysoyland

.github/workflows/test.yml

@@ -21,7 +21,7 @@ jobs:
 
       - uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
         with:
-          python-version: 3.7
+          python-version: '3.13'
 
       - name: Set up chart-testing
         uses: helm/chart-testing-action@e6669bcd63d7cb57cb4380c33043eebe5d111992 # v2.6.1