build(deps): bump actions/setup-python from 4.5.0 to 4.6.0 (#1186)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4.5.0 to 4.6.0.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@d27e3f3...57ded4d)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/chart-testing.yaml

@@ -82,7 +82,7 @@ jobs:
 
           kind load image-archive trivy-operator.tar
       - name: Set up python
-        uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435
+        uses: actions/setup-python@57ded4d7d5e986d7296eab16560982c6dd7c923b
         with:
           python-version: 3.7
       - name: Setup chart-testing

.github/workflows/publish-docs.yaml

@@ -26,7 +26,7 @@ jobs:
           ref: ${{ github.event.inputs.ref }}
           fetch-depth: 0
           persist-credentials: true
-      - uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435
+      - uses: actions/setup-python@57ded4d7d5e986d7296eab16560982c6dd7c923b
         with:
           python-version: 3.x
       - run: |

.github/workflows/publish-helm-chart.yaml

@@ -29,7 +29,7 @@ jobs:
         with:
           version: v3.5.0
       - name: Set up python
-        uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435
+        uses: actions/setup-python@57ded4d7d5e986d7296eab16560982c6dd7c923b
         with:
           python-version: 3.7
       - name: Setup Chart Linting