Add swiftwasm-release/5.4 to pull.yml

Author: MaxDesiatov

.github/pull.yml

@@ -6,10 +6,19 @@ rules:
   - base: main
     upstream: apple:main
     mergeMethod: hardreset
+
   - base: release/5.3
     upstream: apple:release/5.3
     mergeMethod: hardreset
   - base: swiftwasm-release/5.3
     upstream: release/5.3
     mergeMethod: merge
+
+  - base: release/5.4
+    upstream: apple:release/5.4
+    mergeMethod: hardreset
+  - base: swiftwasm-release/5.4
+    upstream: release/5.4
+    mergeMethod: merge
+
 label: ":arrow_heading_down: Upstream Tracking"