Install go 1.14 in windows (#7310)

* Update Go in Windows CI

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

* No vet

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

.circleci/config.yml

@@ -59,11 +59,16 @@ jobs:
     working_directory: /go/src/github.com/prometheus/prometheus
     steps:
     - checkout
+    - run:
+        # Temporary workaround until circleci updates go.
+        shell: bash
+        command: |
+          choco upgrade -y golang
     - run:
         shell: bash
         command: |
           (cd web/ui && GOOS= GOARCH= go generate -mod=vendor)
-          go test -mod=vendor -test.v `go list ./...|grep -Exv "(github.com/prometheus/prometheus/discovery.*|github.com/prometheus/prometheus/config|github.com/prometheus/prometheus/web)"`
+          go test -mod=vendor -vet=off -test.v `go list ./...|grep -Exv "(github.com/prometheus/prometheus/discovery.*|github.com/prometheus/prometheus/config|github.com/prometheus/prometheus/web)"`
         environment:
           GOGC: "20"
           GOOPTS: "-p 2 -mod=vendor"