Support security-experimental as a well-known suite (#1519)

src/config-utils.test.ts

@@ -1993,7 +1993,7 @@ test(
   process.platform === "win32" ? undefined : "~0.1.0"
 );
 // Test that ML-powered queries aren't run when the user hasn't specified that we should run the
-// `security-extended` or `security-and-quality` query suite.
+//  `security-extended`, `security-and-quality`, or `security-experimental` query suite.
 test(mlPoweredQueriesMacro, "2.7.5", true, undefined, undefined, undefined);
 // Test that ML-powered queries are run on non-Windows platforms running `security-extended` on
 // versions of the CodeQL CLI prior to 2.9.0.
@@ -2074,7 +2074,6 @@ test(
   "security-extended",
   "~0.4.0"
 );
-
 // Test that ML-powered queries are run on all platforms running `security-and-quality` on CodeQL
 // CLI 2.11.3+.
 test(
@@ -2085,6 +2084,16 @@ test(
   "security-and-quality",
   "~0.4.0"
 );
+// Test that ML-powered queries are run on all platforms running `security-experimental` on CodeQL
+// CLI 2.12.1+.
+test(
+  mlPoweredQueriesMacro,
+  "2.12.1",
+  true,
+  undefined,
+  "security-experimental",
+  "~0.4.0"
+);
 
 const calculateAugmentationMacro = test.macro({
   exec: async (