Add changelog to ShowVrfAllDetail parser changes

genieparser/changelog/undistributed/changelog_show_vrf_all_detail_iosxr_20241108103720.rst

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+--------------------------------------------------------------------------------
+                            Fix
+--------------------------------------------------------------------------------
+* IOSXR
+    * Modified ShowVrfAllDetail:
+        * Modified regex <p4_1> to capture all interface names
+            * Replaced the previous regex that relied on specific interface prefixes (e.g., Gi, Bun, Ten, etc.) with a more general pattern.
+        * Introduced `in_interfaces_section` flag for accurate section tracking