chore(deps): bump next in the npm_and_yarn group across 1 directory

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.4.1
  dependency-type: direct:production
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

apps/main/package.json

@@ -34,7 +34,7 @@
     "lightweight-charts": "^5.0.7",
     "lodash": "4.17.21",
     "memoizee": "^0.4.17",
-    "next": "15.3.5",
+    "next": "15.4.6",
     "next-images": "^1.8.5",
     "react": "*",
     "react-dom": "*",

yarn.lock

@@ -15997,7 +15997,7 @@ __metadata:
     lightweight-charts: "npm:^5.0.7"
     lodash: "npm:4.17.21"
     memoizee: "npm:^0.4.17"
-    next: "npm:15.3.5"
+    next: "npm:15.4.6"
     next-images: "npm:^1.8.5"
     pinst: "npm:^3.0.0"
     react: "npm:*"