Update repository config (#144)

/cherry-pick

Signed-off-by: 1gtm <1gtm@appscode.com>

Author: 1gtm

.github/workflows/ci.yml

@@ -13,10 +13,10 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.15
+      - name: Set up Go 1.16
         uses: actions/setup-go@v1
         with:
-          go-version: 1.15
+          go-version: 1.16
         id: go
 
       - name: Check out code into the Go module directory

Makefile

@@ -61,7 +61,7 @@ ARCH := $(if $(GOARCH),$(GOARCH),$(shell go env GOARCH))
 BASEIMAGE_PROD   ?= gcr.io/distroless/static-debian10
 BASEIMAGE_DBG    ?= debian:buster
 
-GO_VERSION       ?= 1.15
+GO_VERSION       ?= 1.16
 BUILD_IMAGE      ?= appscode/golang-dev:$(GO_VERSION)
 CHART_TEST_IMAGE ?= quay.io/helmpack/chart-testing:v3.0.0
 
@@ -403,8 +403,8 @@ verify: verify-modules verify-gen
 
 .PHONY: verify-modules
 verify-modules:
-	GO111MODULE=on go mod tidy
-	GO111MODULE=on go mod vendor
+	go mod tidy
+	go mod vendor
 	@if !(git diff --exit-code HEAD); then \
 		echo "go module files are out of date"; exit 1; \
 	fi

go.mod

@@ -3,15 +3,10 @@ module stash.appscode.dev/installer
 go 1.12
 
 require (
-	github.com/golang/protobuf v1.4.3 // indirect
-	github.com/google/go-cmp v0.4.0 // indirect
 	github.com/google/gofuzz v1.1.0
-	github.com/json-iterator/go v1.1.10 // indirect
-	github.com/kr/pretty v0.2.0 // indirect
-	github.com/stretchr/testify v1.5.1 // indirect
 	k8s.io/api v0.18.9
 	k8s.io/apimachinery v0.18.9
-	kmodules.xyz/schema-checker v0.1.0
+	kmodules.xyz/schema-checker v0.1.2
 )
 
 replace bitbucket.org/ww/goautoneg => gomodules.xyz/goautoneg v0.0.0-20120707110453-a547fc61f48d