Send the version and mode with the user agent

This commit changes the way the action determines if running in action
or runner mode. There is now an environment variable that is set at the
beginning of the process and elsewhere in the process, we can check to
see if the variable is set.

src/api-client.ts

@@ -3,9 +3,12 @@ import * as path from "path";
 import * as githubUtils from "@actions/github/lib/utils";
 import consoleLogLevel from "console-log-level";
 
-import { getRequiredEnvParam, getRequiredInput } from "./actions-util";
+import { getMode, getRequiredEnvParam, getRequiredInput } from "./actions-util";
 import { isLocalRun } from "./util";
 
+// eslint-disable-next-line import/no-commonjs
+const pkg = require("../package.json");
+
 export enum DisallowedAPIVersionReason {
   ACTION_TOO_OLD,
   ACTION_TOO_NEW,
@@ -37,7 +40,7 @@ export const getApiClient = function (
   return new githubUtils.GitHub(
     githubUtils.getOctokitOptions(auth, {
       baseUrl: getApiUrl(apiDetails.url),
-      userAgent: "CodeQL Action",
+      userAgent: `CodeQL ${getMode()}/${pkg.version}`,
       log: consoleLogLevel({ level: "debug" }),
     })
   );