build: enable Lunar Lobster PPA builds

Author: karalabe

build/ci.go

@@ -128,7 +128,7 @@ var (
 		"focal":   "golang-go",   // EOL: 04/2030
 		"jammy":   "golang-go",   // EOL: 04/2032
 		"kinetic": "golang-go",   // EOL: 07/2023
-		//"lunar": "golang-go",  // EOL: 01/2024
+		"lunar":   "golang-go",   // EOL: 01/2024
 	}
 
 	debGoBootPaths = map[string]string{
@@ -144,7 +144,7 @@ var (
 	// This is the version of Go that will be used to bootstrap the PPA builder.
 	//
 	// This version is fine to be old and full of security holes, we just use it
-	// to build the latest Go. Don't change it. If it ever becomes infufficient,
+	// to build the latest Go. Don't change it. If it ever becomes insufficient,
 	// we need to switch over to a recursive builder to jumpt across supported
 	// versions.
 	gobootVersion = "1.19.6"