CI test across K8s version v1.16-v1.22

Signed-off-by: JenTing Hsiao <[email protected]>

.github/workflows/lint-test.yaml

@@ -5,6 +5,17 @@ on: pull_request
 jobs:
   lint-test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        # Latest k8s versions. There's no series-based tag, nor is there a latest tag.
+        k8s:
+          - 1.16.15
+          - 1.17.17
+          - 1.18.15
+          - 1.19.7
+          - 1.20.2
+          - 1.21.1
+          - 1.22.0
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -20,6 +31,9 @@ jobs:
 
       - name: Create kind cluster
         uses: helm/[email protected]
+        with:
+          version: "v0.11.1"
+          node_image: "kindest/node:v${{ matrix.k8s }}"
         # Only build a kind cluster if there are chart changes to test.
         if: steps.lint.outputs.changed == 'true'