build(deps): bump fastify from 5.7.4 to 5.8.1 in /backend (#387)

Bumps [fastify](https://github.com/fastify/fastify) from 5.7.4 to 5.8.1.
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](https://github.com/fastify/fastify/compare/v5.7.4...v5.8.1)

---
updated-dependencies:
- dependency-name: fastify
  dependency-version: 5.8.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

backend/package-lock.json

@@ -20,7 +20,7 @@
         "argon2": "^0.44.0",
         "dotenv": "^17.3.1",
         "drizzle-orm": "^0.45.1",
-        "fastify": "^5.7.4",
+        "fastify": "^5.8.1",
         "nodemailer": "^8.0.1",
         "openid-client": "^6.8.2",
         "sharp": "^0.34.5",
@@ -4156,9 +4156,9 @@
       }
     },
     "node_modules/fastify": {
-      "version": "5.7.4",
-      "resolved": "https://registry.npmjs.org/fastify/-/fastify-5.7.4.tgz",
-      "integrity": "sha512-e6l5NsRdaEP8rdD8VR0ErJASeyaRbzXYpmkrpr2SuvuMq6Si3lvsaVy5C+7gLanEkvjpMDzBXWE5HPeb/hgTxA==",
+      "version": "5.8.1",
+      "resolved": "https://registry.npmjs.org/fastify/-/fastify-5.8.1.tgz",
+      "integrity": "sha512-y0kicFvvn7CYWoPOVLOcvn4YyKQz03DIY7UxmyOy21/J8eXm09R+tmb+tVDBW5h+pja30cHI5dqUcSlvY86V2A==",
       "funding": [
         {
           "type": "github",
@@ -4180,7 +4180,7 @@
         "fast-json-stringify": "^6.0.0",
         "find-my-way": "^9.0.0",
         "light-my-request": "^6.0.0",
-        "pino": "^10.1.0",
+        "pino": "^9.14.0 || ^10.1.0",
         "process-warning": "^5.0.0",
         "rfdc": "^1.3.1",
         "secure-json-parse": "^4.0.0",

backend/package.json

@@ -29,7 +29,7 @@
     "argon2": "^0.44.0",
     "dotenv": "^17.3.1",
     "drizzle-orm": "^0.45.1",
-    "fastify": "^5.7.4",
+    "fastify": "^5.8.1",
     "nodemailer": "^8.0.1",
     "openid-client": "^6.8.2",
     "sharp": "^0.34.5",