chore(deps): update actions/setup-python action to v6 (#285)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/chart-lint.yml

@@ -38,7 +38,7 @@ jobs:
         uses: azure/setup-helm@v4
         with:
           version: v3.14.4
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.x"
           check-latest: true

.github/workflows/chart-test.yml

@@ -50,7 +50,7 @@ jobs:
         uses: azure/setup-helm@v4
         with:
           version: v3.14.4
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.x"
           check-latest: true