Update list of PR approvers (#272)

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Author: tautschnig

.github/pull_requests.toml

@@ -9,7 +9,6 @@ members = [
     "remi-delmas-3000",
     "qinheping",
     "tautschnig",
-    "jaisnan",
     "patricklam",
     "ranjitjhala",
     "carolynzech",
@@ -18,5 +17,7 @@ members = [
     "Eh2406",
     "jswrenn",
     "havelund",
-    "jorajeev"
+    "jorajeev",
+    "rajath-mk",
+    "thanhnguyen-aws"
 ]