rebase: update kubernetes to v1.20.0

updated kubernetes packages to latest
release.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/go.uber.org/multierr/Makefile

@@ -1,74 +0,0 @@
-export GO15VENDOREXPERIMENT=1
-
-PACKAGES := $(shell glide nv)
-
-GO_FILES := $(shell \
-	find . '(' -path '*/.*' -o -path './vendor' ')' -prune \
-	-o -name '*.go' -print | cut -b3-)
-
-.PHONY: install
-install:
-	glide --version || go get github.com/Masterminds/glide
-	glide install
-
-.PHONY: build
-build:
-	go build -i $(PACKAGES)
-
-.PHONY: test
-test:
-	go test -cover -race $(PACKAGES)
-
-.PHONY: gofmt
-gofmt:
-	$(eval FMT_LOG := $(shell mktemp -t gofmt.XXXXX))
-	@gofmt -e -s -l $(GO_FILES) > $(FMT_LOG) || true
-	@[ ! -s "$(FMT_LOG)" ] || (echo "gofmt failed:" | cat - $(FMT_LOG) && false)
-
-.PHONY: govet
-govet:
-	$(eval VET_LOG := $(shell mktemp -t govet.XXXXX))
-	@go vet $(PACKAGES) 2>&1 \
-		| grep -v '^exit status' > $(VET_LOG) || true
-	@[ ! -s "$(VET_LOG)" ] || (echo "govet failed:" | cat - $(VET_LOG) && false)
-
-.PHONY: golint
-golint:
-	@go get github.com/golang/lint/golint
-	$(eval LINT_LOG := $(shell mktemp -t golint.XXXXX))
-	@cat /dev/null > $(LINT_LOG)
-	@$(foreach pkg, $(PACKAGES), golint $(pkg) >> $(LINT_LOG) || true;)
-	@[ ! -s "$(LINT_LOG)" ] || (echo "golint failed:" | cat - $(LINT_LOG) && false)
-
-.PHONY: staticcheck
-staticcheck:
-	@go get honnef.co/go/tools/cmd/staticcheck
-	$(eval STATICCHECK_LOG := $(shell mktemp -t staticcheck.XXXXX))
-	@staticcheck $(PACKAGES) 2>&1 > $(STATICCHECK_LOG) || true
-	@[ ! -s "$(STATICCHECK_LOG)" ] || (echo "staticcheck failed:" | cat - $(STATICCHECK_LOG) && false)
-
-.PHONY: lint
-lint: gofmt govet golint staticcheck
-
-.PHONY: cover
-cover:
-	./scripts/cover.sh $(shell go list $(PACKAGES))
-	go tool cover -html=cover.out -o cover.html
-
-update-license:
-	@go get go.uber.org/tools/update-license
-	@update-license \
-		$(shell go list -json $(PACKAGES) | \
-			jq -r '.Dir + "/" + (.GoFiles | .[])')
-
-##############################################################################
-
-.PHONY: install_ci
-install_ci: install
-	go get github.com/wadey/gocovmerge
-	go get github.com/mattn/goveralls
-	go get golang.org/x/tools/cmd/cover
-
-.PHONY: test_ci
-test_ci: install_ci
-	./scripts/cover.sh $(shell go list $(PACKAGES))