build: Update to Go 1.20 and linter v1.51.2

Signed-off-by: Leonard Goodell <[email protected]>

Makefile

@@ -10,9 +10,11 @@ unittest:
 	$(GO) test ./... -coverprofile=coverage.out ./...
 
 lint:
-	@which golangci-lint >/dev/null || echo "WARNING: go linter not installed. To install, run\n  curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b \$$(go env GOPATH)/bin v1.46.2"
+	@which golangci-lint >/dev/null || echo "WARNING: go linter not installed. To install, run make install-lint"
 	@if [ "z${ARCH}" = "zx86_64" ] && which golangci-lint >/dev/null ; then golangci-lint run --config .golangci.yml ; else echo "WARNING: Linting skipped (not on x86_64 or linter not installed)"; fi
 
+install-lint:
+	sudo curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $$(go env GOPATH)/bin v1.51.2
 
 test: unittest lint
 	$(GO) vet ./...

bootstrap/handlers/auth_middleware.go

@@ -29,17 +29,17 @@ import (
 // VaultAuthenticationHandlerFunc prefixes an existing HandlerFunc
 // with a Vault-based JWT authentication check.  Usage:
 //
-//  authenticationHook := handlers.NilAuthenticationHandlerFunc()
-//  if secret.IsSecurityEnabled() {
-//		lc := container.LoggingClientFrom(dic.Get)
-//      secretProvider := container.SecretProviderFrom(dic.Get)
-//      authenticationHook = handlers.VaultAuthenticationHandlerFunc(secretProvider, lc)
-//  }
-//  For optionally-authenticated requests
-//  r.HandleFunc("path", authenticationHook(handlerFunc)).Methods(http.MethodGet)
+//	 authenticationHook := handlers.NilAuthenticationHandlerFunc()
+//	 if secret.IsSecurityEnabled() {
+//			lc := container.LoggingClientFrom(dic.Get)
+//	     secretProvider := container.SecretProviderFrom(dic.Get)
+//	     authenticationHook = handlers.VaultAuthenticationHandlerFunc(secretProvider, lc)
+//	 }
+//	 For optionally-authenticated requests
+//	 r.HandleFunc("path", authenticationHook(handlerFunc)).Methods(http.MethodGet)
 //
-//  For unauthenticated requests
-//  r.HandleFunc("path", handlerFunc).Methods(http.MethodGet)
+//	 For unauthenticated requests
+//	 r.HandleFunc("path", handlerFunc).Methods(http.MethodGet)
 //
 // For typical usage, it is preferred to use AutoConfigAuthenticationFunc which
 // will automatically select between a real and a fake JWT validation handler.

go.mod

@@ -1,6 +1,6 @@
 module github.com/edgexfoundry/go-mod-bootstrap/v3
 
-go 1.18
+go 1.20
 
 require (
 	github.com/eclipse/paho.mqtt.golang v1.4.2