Flip --incompatible_disable_third_party_license_checking.

Fixes https://github.com/bazelbuild/bazel/issues/7553. Also see https://github.com/bazelbuild/bazel/issues/7444.

RELNOTES[INC]: --incompatible_disable_third_party_license_checking` is enabled by default

PiperOrigin-RevId: 240855788
diff --git a/src/main/java/com/google/devtools/build/lib/syntax/StarlarkSemantics.java b/src/main/java/com/google/devtools/build/lib/syntax/StarlarkSemantics.java
index 4a84325..cf60461 100644
--- a/src/main/java/com/google/devtools/build/lib/syntax/StarlarkSemantics.java
+++ b/src/main/java/com/google/devtools/build/lib/syntax/StarlarkSemantics.java
@@ -209,7 +209,7 @@
           .incompatibleBzlDisallowLoadAfterStatement(true)
           .incompatibleDepsetIsNotIterable(false)
           .incompatibleDepsetUnion(false)
-          .incompatibleDisableThirdPartyLicenseChecking(false)
+          .incompatibleDisableThirdPartyLicenseChecking(true)
           .incompatibleDisableDeprecatedAttrParams(false)
           .incompatibleDisableObjcProviderResources(false)
           .incompatibleDisallowDictPlus(true)