v0.1.4

• [e27d88eccf] - module: remove go 1.13 (@zchee)
• [adf0bab728] - README: add cacheSeconds=60 to circleci badge (@zchee)
• [fcb4034313] - hack/make/go: update go.mk (@zchee)
• [2180fe9019] - ci/circleci: add GOPROXY and GOSUMDB env (@zchee)
• [7c4fb94c96] - module: update modules (@zchee)