multi: update GH and docker go version

Update the go version used by Dockerfile-wasm along with the go version
used by Github actions.

Author: ellemouton

.github/workflows/main.yml

@@ -16,7 +16,7 @@ env:
   # go needs absolute directories, using the $HOME variable doesn't work here.
   GOCACHE: /home/runner/work/go/pkg/build
   GOPATH: /home/runner/work/go
-  GO_VERSION: 1.17.x
+  GO_VERSION: 1.18.x
 
 jobs:
   ########################

Dockerfile-wasm

@@ -1,5 +1,5 @@
-#Get golang 1.17.3-buster as a base image
-FROM golang:1.17.3-buster@sha256:ee3a388a872237ddb600de3ab9512e73df0043f8878f0f355baeb5b723ef16ec as builder
+#Get golang 1.19 as a base image
+FROM golang:1.19 as builder
 
 #Define the working directory in the container
 WORKDIR /app

Makefile

@@ -9,7 +9,6 @@ LINT_BIN := $(GO_BIN)/golangci-lint
 
 LINT_COMMIT := v1.18.0
 
-DEPGET := cd /tmp && GO111MODULE=on go get -v
 GOBUILD := go build -v
 GOINSTALL := go install -v
 GOTEST := GO111MODULE=on go test -v
@@ -61,7 +60,7 @@ all: build check
 
 $(LINT_BIN):
 	@$(call print, "Fetching linter")
-	$(DEPGET) $(LINT_PKG)@$(LINT_COMMIT)
+	$(GOINSTALL) $(LINT_PKG)@$(LINT_COMMIT)
 
 # ============
 # INSTALLATION