refactor: remove outdated TODOs

.github/local-actions/labels-sync/lib/main.ts

@@ -70,7 +70,6 @@ async function syncLabelsInRepo(github: Octokit, repoName: string, managedLabels
 
 async function main() {
   /** The Github API instance to use for requests. */
-  // TODO: remove once GHA supports node18 as a target runner for Javascript action
   const github = new Octokit({auth: await getAuthTokenFor(ANGULAR_ROBOT)});
 
   try {

.github/local-actions/lock-closed/lib/main.ts

@@ -37,7 +37,6 @@ async function main() {
   const token = await getAuthTokenFor(ANGULAR_LOCK_BOT, {org: 'angular'});
 
   try {
-    // TODO: remove once GHA supports node18 as a target runner for Javascript action
     const github = new Octokit({auth: token});
     for (let repo of reposToBeChecked) {
       await runLockClosedAction(github, repo);

github-actions/post-approval-changes/lib/main.ts

@@ -15,11 +15,10 @@ async function main() {
     const repoToken = await getAuthTokenFor(ANGULAR_ROBOT, context.repo);
     const googlersOrgToken = await getGooglersOrgInstallationToken();
 
-    // TODO: remove once GHA supports node18 as a target runner for Javascript action
-    repoClient = new Octokit({auth: repoToken, request: {fetch}});
+    repoClient = new Octokit({auth: repoToken});
 
     if (googlersOrgToken !== null) {
-      googlersOrgClient = new Octokit({auth: googlersOrgToken, request: {fetch}});
+      googlersOrgClient = new Octokit({auth: googlersOrgToken});
     }
 
     await runPostApprovalChangesAction(googlersOrgClient ?? repoClient, repoClient);

github-actions/pull-request-labeling/lib/main.ts

@@ -15,7 +15,6 @@ class PullRequestLabeling {
   /** Run the commit message based labelling process. */
   static run = async () => {
     const token = await getAuthTokenFor(ANGULAR_ROBOT);
-    // TODO: remove once GHA supports node18 as a target runner for Javascript action
     const git = new Octokit({auth: token});
     try {
       const inst = new this(git);