Disabling E2E & smoke tests for non-canonical-repo CI

Author: bdchatham

.github/workflows/devnet.yml

@@ -16,6 +16,7 @@ env:
 
 jobs:
   devnet-test:
+    if: github.event.pull_request.head.repo.full_name == github.repository
     strategy:
       fail-fast: true
     runs-on: ubuntu-latest

.github/workflows/e2e.yml

@@ -17,7 +17,7 @@ env:
 jobs:
   e2e:
     runs-on: ubuntu-latest
-    if: github.repository == 'Layr-Labs/devkit-cli'
+    if: github.event.pull_request.head.repo.full_name == github.repository
     steps:
       - name: Checkout repository
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2