More renaming

Avoid usage of "Feature Flag" unless we are talking specifically about
the response from github features api. Otherwise, use terms like
"Toggleable features".

Note both "toggleable" and "togglable" appear to be valid spellings of
the word. I chose the first for no good reason.

src/codeql.ts

@@ -15,7 +15,7 @@ import * as api from "./api-client";
 import { Config } from "./config-utils";
 import * as defaults from "./defaults.json"; // Referenced from codeql-action-sync-tool!
 import { errorMatchers } from "./error-matcher";
-import { Feature, FeatureFlags } from "./feature-flags";
+import { Feature, FeatureEnablement } from "./feature-flags";
 import { isTracedLanguage, Language } from "./languages";
 import { Logger } from "./logging";
 import { toolrunnerErrorCatcher } from "./toolrunner-error-catcher";
@@ -91,7 +91,7 @@ export interface CodeQL {
     sourceRoot: string,
     processName: string | undefined,
     processLevel: number | undefined,
-    featureFlags: FeatureFlags,
+    featureFlags: FeatureEnablement,
     logger: Logger
   ): Promise<void>;
   /**
@@ -416,7 +416,7 @@ async function getCodeQLBundleDownloadURL(
  * @param apiDetails
  * @param tempDir
  * @param variant
- * @param featureFlags
+ * @param features
  * @param logger
  * @param checkVersion Whether to check that CodeQL CLI meets the minimum
  *        version requirement. Must be set to true outside tests.
@@ -427,7 +427,7 @@ export async function setupCodeQL(
   apiDetails: api.GitHubApiDetails,
   tempDir: string,
   variant: util.GitHubVariant,
-  featureFlags: FeatureFlags,
+  features: FeatureEnablement,
   logger: Logger,
   checkVersion: boolean
 ): Promise<{ codeql: CodeQL; toolsVersion: string }> {
@@ -438,12 +438,12 @@ export async function setupCodeQL(
       codeqlURL === "latest"
         ? '"tools: latest" was requested'
         : // If the user hasn't requested a particular CodeQL version, then bypass
-        // the toolcache when the appropriate feature flag is enabled. This
+        // the toolcache when the appropriate feature is enabled. This
         // allows us to quickly rollback a broken bundle that has made its way
         // into the toolcache.
         codeqlURL === undefined &&
-          (await featureFlags.getValue(Feature.BypassToolcacheEnabled))
-        ? "a specific version of CodeQL was not requested and the bypass toolcache feature flag is enabled"
+          (await features.getValue(Feature.BypassToolcacheEnabled))
+        ? "a specific version of CodeQL was not requested and the bypass toolcache feature is enabled"
         : undefined;
     const forceLatest = forceLatestReason !== undefined;
     if (forceLatest) {
@@ -772,7 +772,7 @@ async function getCodeQLForCmd(
       sourceRoot: string,
       processName: string | undefined,
       processLevel: number | undefined,
-      featureFlags: FeatureFlags,
+      featureFlags: FeatureEnablement,
       logger: Logger
     ) {
       const extraArgs = config.languages.map(
@@ -1274,7 +1274,7 @@ async function runTool(cmd: string, args: string[] = []) {
 async function generateCodescanningConfig(
   codeql: CodeQL,
   config: Config,
-  featureFlags: FeatureFlags
+  featureFlags: FeatureEnablement
 ): Promise<string | undefined> {
   if (!(await util.useCodeScanningConfigInCli(codeql, featureFlags))) {
     return;