👻 actions using Go 1.22. (#132)

gomports@latest moved to require Go 1.22 by default, the runner uses
1.21.
Fixed here to pin goimports to 0.24 which only requires 1.21. This way
if @latest moves again, CI won't be broken.

---------

Signed-off-by: Jeff Ortel <jortel@redhat.com>

Makefile

@@ -33,4 +33,4 @@ vet:
 
 # Ensure goimports installed.
 $(GOIMPORTS):
-	go install golang.org/x/tools/cmd/goimports@latest
+	go install golang.org/x/tools/cmd/goimports@v0.24