Fix license handling in OSS build of Crubit.

PiperOrigin-RevId: 523416283
diff --git a/nullability_verification/BUILD b/nullability_verification/BUILD
index 096537d..737aadb 100644
--- a/nullability_verification/BUILD
+++ b/nullability_verification/BUILD
@@ -1,6 +1,6 @@
 # Verification for null safety
 
-package(default_applicable_licenses = ["//third_party/crubit:license"])
+package(default_applicable_licenses = ["//:license"])
 
 cc_library(
     name = "pointer_nullability_lattice",