Add git_source to parse_pdfs job config

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: caseydm

jobs/parse_pdfs.yaml

@@ -16,6 +16,10 @@ resources:
             notebook_path: notebooks/parsing/parse_pdfs
             source: GIT
           job_cluster_key: parse_pdfs_cluster
+      git_source:
+        git_url: https://github.com/ourresearch/openalex-walden.git
+        git_provider: gitHub
+        git_branch: main
       job_clusters:
         - job_cluster_key: parse_pdfs_cluster
           new_cluster: