Use Go 1.22 (#249)

go.mod

@@ -1,6 +1,6 @@
 module github.com/FerretDB/github-actions
 
-go 1.21
+go 1.22
 
 require (
 	github.com/FerretDB/gh v0.1.3

setup-go/action.yml

@@ -16,7 +16,7 @@ runs:
     - name: Install Go
       uses: actions/setup-go@v5
       with:
-        go-version: "1.21.7"
+        go-version: "1.22.0"
         cache: false
 
     - name: Run tool

tools/check.go

@@ -35,7 +35,7 @@ func main() {
 	flag.Parse()
 
 	if *oldF {
-		log.Fatalf("github-actions require Go 1.21 or later.")
+		log.Fatalf("github-actions require Go 1.22 or later.")
 	}
 
 	v := runtime.Version()
@@ -51,6 +51,6 @@ func main() {
 	}
 
 	if minor < 18 {
-		log.Fatalf("github-actions require Go 1.21 or later. The version of `go` binary in $PATH is %q.", v)
+		log.Fatalf("github-actions require Go 1.22 or later. The version of `go` binary in $PATH is %q.", v)
 	}
 }

tools/go.mod

@@ -1,6 +1,6 @@
 module github.com/FerretDB/github-actions/tools
 
-go 1.21
+go 1.22
 
 require (
 	github.com/go-task/task/v3 v3.34.1

tools/old.go

@@ -14,8 +14,8 @@
 
 // Keep both old and new styles of build tags.
 
-//go:build !go1.21
-// +build !go1.21
+//go:build !go1.22
+// +build !go1.22
 
 package tools
 

tools/tools.go

@@ -14,8 +14,8 @@
 
 // Keep both old and new styles of build tags.
 
-//go:build go1.21
-// +build go1.21
+//go:build go1.22
+// +build go1.22
 
 package tools
 
@@ -31,7 +31,7 @@ import (
 )
 
 // Check that `go` in $PATH have the right version.
-// Catches problems like `/some/path/go generate` invocations where `/some/path/go` is 1.21+
+// Catches problems like `/some/path/go generate` invocations where `/some/path/go` is 1.22+
 // (that's checked by the build tags above), but just `go` in $PATH (typically something like `/usr/bin/go`)
 // is an earlier version.