gitmodules/gir: update to latest

lucab · lucab · commit 0eb6831b8f6d · 2021-12-07T12:05:57.000Z
This refreshes the submodule, i.e. `git submodule update --remote --init gir`.
diff --git a/gir b/gir
@@ -1 +1 @@
-Subproject commit 50377b88695979e542e4b276f6fead7a0c6d1d84
+Subproject commit 878c7cdd654c009d49c67ff7e368448dc4b2d9db
