feat: wire test collection IDs to upload steps (#138)

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: dfrankland

.github/workflows/pr.yml

@@ -71,6 +71,7 @@ jobs:
           token: ${{ secrets.TRUNK_PROD_ORG_API_TOKEN }}
           allow-missing-junit-files: false
           use-cache: true
+          test-collection-id: 7P54Ouzw
 
       - name: Trunk Analytics Uploader (Staging)
         uses: ./
@@ -81,6 +82,7 @@ jobs:
           token: ${{ secrets.TRUNK_STAGING_ORG_API_TOKEN }}
           allow-missing-junit-files: false
           use-cache: true
+          test-collection-id: DqlUb3qM
         env:
           TRUNK_PUBLIC_API_ADDRESS: https://api.trunk-staging.io