build(deps): bump date-fns from 3.6.0 to 4.1.0 in /backend-node

Bumps [date-fns](https://github.com/date-fns/date-fns) from 3.6.0 to 4.1.0.
- [Release notes](https://github.com/date-fns/date-fns/releases)
- [Changelog](https://github.com/date-fns/date-fns/blob/main/CHANGELOG.md)
- [Commits](date-fns/date-fns@v3.6.0...v4.1.0)

---
updated-dependencies:
- dependency-name: date-fns
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

backend-node/package.json

@@ -15,7 +15,7 @@
     "@hono/zod-openapi": "^0.16.0",
     "@react-email/components": "0.0.25",
     "@react-email/render": "1.0.1",
-    "date-fns": "^3.6.0",
+    "date-fns": "^4.1.0",
     "dotenv": "^16.4.5",
     "hono": "^4.6.1",
     "nodemailer": "6.9.15",

backend-node/yarn.lock

@@ -2812,10 +2812,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"date-fns@npm:^3.6.0":
-  version: 3.6.0
-  resolution: "date-fns@npm:3.6.0"
-  checksum: 10c0/0b5fb981590ef2f8e5a3ba6cd6d77faece0ea7f7158948f2eaae7bbb7c80a8f63ae30b01236c2923cf89bb3719c33aeb150c715ea4fe4e86e37dcf06bed42fb6
+"date-fns@npm:^4.1.0":
+  version: 4.1.0
+  resolution: "date-fns@npm:4.1.0"
+  checksum: 10c0/b79ff32830e6b7faa009590af6ae0fb8c3fd9ffad46d930548fbb5acf473773b4712ae887e156ba91a7b3dc30591ce0f517d69fd83bd9c38650fdc03b4e0bac8
   languageName: node
   linkType: hard
 
@@ -5192,7 +5192,7 @@ __metadata:
     "@types/react": "npm:^18"
     "@types/react-dom": "npm:^18"
     "@types/swagger-ui-dist": "npm:^3.30.5"
-    date-fns: "npm:^3.6.0"
+    date-fns: "npm:^4.1.0"
     dotenv: "npm:^16.4.5"
     eslint: "npm:^9.10.0"
     hono: "npm:^4.6.1"