use older version of golangci-lint

Author: cosnicolaou

.circleci/config.yml

@@ -33,7 +33,7 @@ jobs:
       - run:
           name: downloads
           command: |
-            curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin
+            curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.42.0
             go get github.com/matthewloring/validjson/cmd/validjson@v0.0.1
             go install -x github.com/matthewloring/validjson/cmd/validjson
       - go/save-cache