Bump undici from 5.28.3 to 5.28.4 in /astro-fastify

Bumps [undici](https://github.com/nodejs/undici) from 5.28.3 to 5.28.4.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](https://github.com/nodejs/undici/compare/v5.28.3...v5.28.4)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

astro-fastify/pnpm-lock.yaml

@@ -815,7 +815,7 @@ packages:
       fastify-plugin: 4.5.1
       pump: 3.0.0
       tiny-lru: 11.2.5
-      undici: 5.28.3
+      undici: 5.28.4
     dev: true
 
   /@fastify/send@2.1.0:
@@ -4204,8 +4204,8 @@ packages:
     engines: {node: '>=12.20'}
     dev: true
 
-  /undici@5.28.3:
-    resolution: {integrity: sha512-3ItfzbrhDlINjaP0duwnNsKpDQk3acHI3gVJ1z4fmwMK31k5G9OVIAMLSIaP6w4FaGkaAkN6zaQO9LUvZ1t7VA==}
+  /undici@5.28.4:
+    resolution: {integrity: sha512-72RFADWFqKmUb2hmmvNODKL3p9hcB6Gt2DOQMis1SEBaV6a4MH8soBvzg+95CYhCKPFedut2JY9bMfrDl9D23g==}
     engines: {node: '>=14.0'}
     dependencies:
       '@fastify/busboy': 2.1.1