ci: skip checks for draft pull requests [skip ci] (#29484)

Co-authored-by: OrcaWin <293788423+OrcaWin@users.noreply.github.com>

.github/workflows/zcode-transcript-contract.yml

@@ -1,6 +1,7 @@
 name: ZCode transcript contract
 on:
   pull_request:
+    types: [opened, synchronize, reopened, ready_for_review, converted_to_draft]
     paths:
       - 'src/main/ai-vault/session-scanner-zcode*'
       - 'src/main/ai-vault/session-scanner-opencode*'
@@ -18,6 +19,7 @@ concurrency:
   cancel-in-progress: true
 jobs:
   transcript-readers:
+    if: github.event_name != 'pull_request' || github.event.pull_request.draft != true
     strategy:
       fail-fast: false
       matrix: