[migrations] pin `underscore` version to 1.13.8 (#33951)

`east` is the only workspace pointing to an old version of `underscore`, which is now pinned to `1.13.8` the same way it's done for `argparse`.

GitOrigin-RevId: a938067ba62aca7b73e15f030d9c341f9337c26d

package.json

@@ -34,6 +34,7 @@
   "resolutions": {
     "@xmldom/xmldom": "0.8.13",
     "argparse/underscore": "1.13.8",
+    "east/underscore": "1.13.8",
     "sandboxed-module": "patch:sandboxed-module@npm%3A2.0.4#~/.yarn/patches/sandboxed-module-npm-2.0.4-f8b45aacc9.patch",
     "request/tough-cookie": "5.1.2",
     "request/form-data": "2.5.5",

yarn.lock

@@ -33234,13 +33234,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"underscore@npm:1.12.1":
-  version: 1.12.1
-  resolution: "underscore@npm:1.12.1"
-  checksum: 10c0/00f392357e363353ac485e7c156b749505087e31ff4fdad22e04ebd2f94a56fbc554cd41a6722e3895a818466cf298b1cae93ff6211d102d373a9b50db63bfd0
-  languageName: node
-  linkType: hard
-
 "underscore@npm:1.13.8, underscore@npm:>=1.8.3":
   version: 1.13.8
   resolution: "underscore@npm:1.13.8"