Update dependencies to Kubernetes 20.2

Add context.ToDo() to API client calls. Restructure the serializer
for TAS client in line with changes to the client library.

Author: killianmuldoon

.github/workflows/static-analysis.yaml

@@ -35,9 +35,13 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v2
         with:
           version: v1.29
+          skip-go-installation: true
         # Additional linting tools can be added here
           args: --enable=golint --timeout=5m

go.mod

@@ -3,9 +3,9 @@ module github.com/intel/telemetry-aware-scheduling
 go 1.13
 
 require (
-	k8s.io/api v0.0.0-20191016110246-af539daaa43a
-	k8s.io/apiextensions-apiserver v0.0.0-20190918201827-3de75813f604
-	k8s.io/apimachinery v0.0.0-20191004115701-31ade1b30762
-	k8s.io/client-go v0.0.0-20191016110837-54936ba21026
-	k8s.io/metrics v0.0.0-20190918202012-3c1ca76f5bda
+		k8s.io/api v0.20.2
+    	k8s.io/apimachinery v0.20.2
+    	k8s.io/client-go v0.20.2
+    	k8s.io/metrics v0.20.2
+
 )