fix: use github.token for mise/aqua to avoid API rate limits in CI

Use the default Actions GITHUB_TOKEN (github.token) for MISE_GITHUB_TOKEN
and GITHUB_API_TOKEN so that mise's aqua backend can authenticate API
calls when downloading tools like trivy.

Author: MichaelWalker-git

.github/workflows/build.yml

@@ -81,7 +81,8 @@ const project = new awscdk.AwsCdkTypeScriptApp({
   buildWorkflowOptions: {
     env: {
       GITHUB_TOKEN: '${{ secrets.PROJEN_GITHUB_TOKEN }}',
-      MISE_GITHUB_TOKEN: '${{ secrets.PROJEN_GITHUB_TOKEN }}',
+      MISE_GITHUB_TOKEN: '${{ github.token }}',
+      GITHUB_API_TOKEN: '${{ github.token }}',
     },
   },
   gitignore: [