Cleanup CodeQL DBs and output their location for later steps

lib/codeql.js

@@ -286,6 +286,7 @@ function setCodeQL(partialCodeql) {
         resolveLanguages: resolveFunction(partialCodeql, "resolveLanguages"),
         resolveQueries: resolveFunction(partialCodeql, "resolveQueries"),
         databaseAnalyze: resolveFunction(partialCodeql, "databaseAnalyze"),
+        databaseCleanup: resolveFunction(partialCodeql, "databaseCleanup"),
     };
     return cachedCodeQL;
 }
@@ -498,6 +499,15 @@ function getCodeQLForCmd(cmd) {
             }).exec();
             return output;
         },
+        async databaseCleanup(databasePath, cleanupLevel) {
+            const args = [
+                "database",
+                "cleanup",
+                databasePath,
+                `--mode=${cleanupLevel}`,
+            ];
+            await new toolrunner.ToolRunner(cmd, args).exec();
+        },
     };
 }
 /**