fix(argocd): use jqPathExpressions for PVC ignoreDifferences

Switch from jsonPointers to jqPathExpressions for better handling
of nested spec fields in PersistentVolumeClaims.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: mitchross

infrastructure/controllers/argocd/apps/infrastructure-appset.yaml

@@ -86,7 +86,7 @@ spec:
       # PVC fields that are immutable after creation - needed for Volume Populator
       - group: ""
         kind: PersistentVolumeClaim
-        jsonPointers:
-        - /spec/dataSourceRef
-        - /spec/dataSource
-        - /spec/volumeName
+        jqPathExpressions:
+        - .spec.dataSourceRef
+        - .spec.dataSource
+        - .spec.volumeName

infrastructure/controllers/argocd/apps/my-apps-appset.yaml

@@ -59,10 +59,10 @@ spec:
       # PVC fields that are immutable after creation - needed for Volume Populator
       - group: ""
         kind: PersistentVolumeClaim
-        jsonPointers:
-        - /spec/dataSourceRef
-        - /spec/dataSource
-        - /spec/volumeName
+        jqPathExpressions:
+        - .spec.dataSourceRef
+        - .spec.dataSource
+        - .spec.volumeName
 
       info:
       - name: 'Description'