ci: add pre-commit and remove those checks from Dockerfile

Dockerfile

@@ -1,10 +1,7 @@
-FROM golang:1.19.2 as build
+FROM golang:1.19.4 as build
 WORKDIR /build
 ENV CGO_ENABLED=0
 ADD . /build
-RUN if [ $(go mod tidy -v 2>&1 | grep -c unused) != 0 ]; then echo "Unused modules, please run 'go mod tidy'"; exit 1; fi
-RUN go fmt ./...
-RUN go vet ./...
 RUN CGO_ENABLED=1 go test -mod=readonly -race -coverprofile=coverage.txt.tmp -covermode=atomic -coverpkg=$(go list ./... | tr '\n' , | sed 's/,$//') ./...
 RUN ["/bin/bash", "-c", "cat coverage.txt.tmp | grep -v testing.go | grep -v -f <(find . -type f | xargs grep -l 'Code generated') > coverage.txt"]
 RUN go tool cover -html=coverage.txt -o coverage.html