Merge pull request #4586 from tianon/go1.19min

Update minimum Go version to 1.19

scripts/vendor

@@ -18,12 +18,12 @@ init() {
   cat > go.mod <<EOL
 module github.com/docker/cli
 
-go 1.18
+go 1.19
 EOL
 }
 
 update() {
-  (set -x ; go mod tidy -compat=1.18 -modfile=vendor.mod; go mod vendor -modfile=vendor.mod)
+  (set -x ; go mod tidy -compat=1.19 -modfile=vendor.mod; go mod vendor -modfile=vendor.mod)
 }
 
 validate() {

vendor.mod

@@ -4,7 +4,7 @@ module github.com/docker/cli
 // There is no 'go.mod' file, as that would imply opting in for all the rules
 // around SemVer, which this repo cannot abide by as it uses CalVer.
 
-go 1.18
+go 1.19
 
 require (
 	dario.cat/mergo v1.0.0