clusterfuzzlite: update project yaml to point to github repo

Author: boxerab

.clusterfuzzlite/project.yaml

@@ -1,4 +1,4 @@
-homepage: "https://gitlab.collabora.com/libcss"
+homepage: "https://github.com/collabora/libcss"
 primary_contact: "[email protected]"
 language: c
 fuzzing_engines:
@@ -9,4 +9,4 @@ sanitizers:
   - address
   - memory
   - undefined
-main_repo: 'https://gitlab.collabora.com/libcss/libcss.git'
+main_repo: 'https://github.com/collabora/libcss.git'