fix: add owner param to GitHub App token for cross-repo access (#182)

The app token needs `owner: aws` to generate a token scoped to all
repos the app is installed on, not just the current repo. Without this,
the token can't clone the CDK repo.

Author: aidandaly24

.github/workflows/e2e-tests-full.yml

@@ -64,6 +64,7 @@ jobs:
         with:
           app-id: ${{ vars.APP_ID }}
           private-key: ${{ secrets.APP_PRIVATE_KEY }}
+          owner: aws
       - name: Build CDK package from main
         if: matrix.cdk-source == 'main'
         run: |

.github/workflows/e2e-tests.yml

@@ -82,6 +82,7 @@ jobs:
         with:
           app-id: ${{ vars.APP_ID }}
           private-key: ${{ secrets.APP_PRIVATE_KEY }}
+          owner: aws
       - name: Build CDK package from main
         run: |
           git clone --depth 1 "https://x-access-token:${CDK_REPO_TOKEN}@github.com/${CDK_REPO}.git" /tmp/cdk-repo