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

Author: renovate-bot

.github/workflows/bump-chart-version.yml

@@ -25,7 +25,7 @@ jobs:
           ref: ${{ inputs.ref || 'main' }}
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.14'
 

.github/workflows/prepare-release.yml

@@ -88,7 +88,7 @@ jobs:
           echo "version=$VERSION" >> $GITHUB_OUTPUT
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.14'
 

.github/workflows/promote-clean-semver.yml

@@ -69,7 +69,7 @@ jobs:
           echo "clean_version_tag=$CLEAN_VERSION_TAG" >> $GITHUB_OUTPUT
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.14'
 

.github/workflows/publish-pre-and-qa.yml

@@ -57,7 +57,7 @@ jobs:
           echo "clean_version=$CLEAN_VERSION" >> $GITHUB_OUTPUT
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.14'