Fixing lint (#24)

* Fixing lint

* Fixing CI

.github/workflows/lint-test.yaml

@@ -19,6 +19,8 @@ jobs:
           - 1.22.9
           - 1.23.6
           - 1.24.0
+          - 1.25.0
+          - 1.26.0
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -30,6 +32,10 @@ jobs:
         with:
           version: v3.8.1
 
+      - name: Adding bitnamirepo
+        run: |
+          helm repo add bitnami https://charts.bitnami.com/bitnami
+
       - uses: actions/setup-python@v2
         with:
           python-version: 3.7
@@ -56,5 +62,5 @@ jobs:
         if: steps.list-changed.outputs.changed == 'true'
 
       - name: Run chart-testing (install)
-        run: ct install
+        run: ct install  --target-branch ${{ github.event.repository.default_branch }}
         if: steps.list-changed.outputs.changed == 'true'