update CI to use Go 1.17

Signed-off-by: Josh Dolitsky <josh@dolit.ski>

.circleci/config.yml

@@ -5,7 +5,7 @@ jobs:
   build:
     working_directory: ~/helm.sh/helm
     docker:
-      - image: circleci/golang:1.16
+      - image: circleci/golang:1.17
       
         auth:
           username: $DOCKER_USER

.github/workflows/build-pr.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v2
         with:
-          go-version: '1.16'
+          go-version: '1.17'
       - name: Install golangci-lint
         run: |
           curl -sSLO https://github.com/golangci/golangci-lint/releases/download/v$GOLANGCI_LINT_VERSION/golangci-lint-$GOLANGCI_LINT_VERSION-linux-amd64.tar.gz