Bump min. version for evaluator parallelism feature flag

Since we suspect fine-grained parallelism may make the OOM issues worse,
we don't want to enable it on 2.14.0-2.14.5, even though they support
it.

Author: nickrolfe

lib/feature-flags.js

@@ -24,9 +24,10 @@ export const CODEQL_VERSION_BUNDLE_SEMANTICALLY_VERSIONED = "2.13.4";
 export const CODEQL_VERSION_ANALYSIS_SUMMARY_V2 = "2.14.0";
 
 /**
- * Versions 2.14.0+ of the CodeQL CLI support intra-layer parallelism (aka fine-grained parallelism) options.
+ * Versions 2.14.0+ of the CodeQL CLI support intra-layer parallelism (aka fine-grained parallelism) options, but we
+ * limit to 2.14.6 onwards, since that's the version that has mitigations against OOM failures.
  */
-export const CODEQL_VERSION_INTRA_LAYER_PARALLELISM = "2.14.0";
+export const CODEQL_VERSION_INTRA_LAYER_PARALLELISM = "2.14.6";
 
 export interface CodeQLDefaultVersionInfo {
   cliVersion: string;