block checking out fork pr for pull_request_target and workflow_run (#2454)

* block checking out fork pr for some events

* address copilot and reviewer feedback

* run prettier formatting

* build

* update urls

* update readme

* update description and url again

* edit url one more time

dist/index.js

@@ -2833,9 +2833,9 @@ function assertSafePrCheckout(input) {
     throw new Error(`Refusing to check out fork pull request code from a '${eventName}' workflow. ` +
         `This workflow runs with the base repository's GITHUB_TOKEN, secrets, default-branch ` +
         `cache scope, and runner access. Fetching and executing a fork's code in that trusted ` +
-        `context commonly leads to "pwn request" vulnerabilities. To opt in, review the risks ` +
+        `context commonly leads to "pwn request" vulnerabilities. To opt in after reviewing ` +
-        `at https://gh.io/securely-using-pull_request_target and set 'allow-unsafe-pr-checkout: true' ` +
+        `the risks at https://gh.io/securely-using-pull_request_target, set ` +
-        `on the actions/checkout step.`);
+        `'allow-unsafe-pr-checkout: true' on the actions/checkout step.`);
 }
 function pushIfSha(target, value) {
     if (typeof value === 'string' && value.length > 0) {

src/unsafe-pr-checkout-helper.ts

@@ -75,9 +75,9 @@ export function assertSafePrCheckout(input: IUnsafePrCheckoutInput): void {
     `Refusing to check out fork pull request code from a '${eventName}' workflow. ` +
       `This workflow runs with the base repository's GITHUB_TOKEN, secrets, default-branch ` +
       `cache scope, and runner access. Fetching and executing a fork's code in that trusted ` +
-      `context commonly leads to "pwn request" vulnerabilities. To opt in, review the risks ` +
+      `context commonly leads to "pwn request" vulnerabilities. To opt in after reviewing ` +
-      `at https://gh.io/securely-using-pull_request_target and set 'allow-unsafe-pr-checkout: true' ` +
+      `the risks at https://gh.io/securely-using-pull_request_target, set ` +
-      `on the actions/checkout step.`
+      `'allow-unsafe-pr-checkout: true' on the actions/checkout step.`
   )
 }