internal/rosa: populate Anitya project ids

This enables release monitoring for all applicable projects.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/ninja.go

@@ -42,5 +42,7 @@ func init() {
 		Name:        "ninja",
 		Description: "a small build system with a focus on speed",
 		Website:     "https://ninja-build.org/",
+
+		ID: 2089,
 	}
 }