Updating pnpm to 8.1.x (#51407)

This is a follow-up of
https://github.com/sourcegraph/sourcegraph/pull/51265 which was at
@vovakulikov initiative.

## Test plan

<!-- All pull requests REQUIRE a test plan:
https://docs.sourcegraph.com/dev/background-information/testing_principles
-->

CI

---------

Co-authored-by: Vova Kulikov <vova@sourcegraph.com>

.tool-versions

@@ -12,4 +12,4 @@ awscli 2.4.7
 python system
 rust 1.68.0
 ruby 3.1.3
-pnpm 7.28.0
+pnpm 8.1.0

WORKSPACE

@@ -22,9 +22,9 @@ http_archive(
 
 http_archive(
     name = "aspect_rules_js",
-    sha256 = "a592fafd8a27b2828318cebbda0003686c6da3318df366b563e8beeffa05a02c",
-    strip_prefix = "rules_js-1.21.0",
-    url = "https://github.com/aspect-build/rules_js/releases/download/v1.21.0/rules_js-v1.21.0.tar.gz",
+    sha256 = "3e237129b3554373a80c681c4b47348f91c294ff32d4bc8f8297f40511a4eb6c",
+    strip_prefix = "rules_js-1.25.4",
+    url = "https://github.com/aspect-build/rules_js/releases/download/v1.25.4/rules_js-v1.25.4.tar.gz",
 )
 
 http_archive(

package.json

@@ -8,7 +8,7 @@
   },
   "engines": {
     "node": "^v16.18.1",
-    "pnpm": "^7.28.0"
+    "pnpm": "^8.0.0"
   },
   "scripts": {
     "format": "prettier '**/{*.{js?(on),ts?(x),graphql,md,scss},.*.js?(on)}' --list-different --config prettier.config.js --write",