Remove $ from core actions sdk usage.

Author: wparad

action.yml

@@ -2,7 +2,7 @@ name: 'Rebuild Stale PullRequests'
 description: 'Automatically rebuild pull requests when they become stale or the target branch changes.'
 inputs:
   github_token:
-    description: 'GITHUB_TOKEN, must be specified to be the value: ${{ secrets.GITHUB_TOKEN }}'
+    description: 'GITHUB_TOKEN, must be specified to be the value: {{ secrets.GITHUB_TOKEN }}'
 branding:
   icon: 'arrow-right-circle'
   color: 'green'

src/index.js

@@ -5,7 +5,7 @@ async function run() {
   // Attempt to load credentials from the GitHub OIDC provider.
   const githubSecretAccessToken = core.getInput('github_token');
   if (!githubSecretAccessToken) {
-    core.setFailed("Missing use with configuration in the github action, please add to the github workflow: 'github_token: ${{ secrets.GITHUB_TOKEN }}'");
+    core.setFailed("Missing use with configuration in the github action, please add to the github workflow: 'github_token: {{ secrets.GITHUB_TOKEN }}'");
     core.getInput('github_token', { required: true });
     throw Error('InvalidInput');
   }