ci: bump undici from 7.28.0 to 7.29.0

Bumps [undici](https://github.com/nodejs/undici) from 7.28.0 to 7.29.0.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v7.28.0...v7.29.0)

---
updated-dependencies:
- dependency-name: undici
  dependency-version: 7.29.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

packages/undici-http-handler/package.json

@@ -45,7 +45,7 @@
     "@smithy/core": "workspace:^",
     "@smithy/types": "workspace:^",
     "tslib": "^2.6.2",
-    "undici": "^7.0.0"
+    "undici": "^7.29.0"
   },
   "devDependencies": {
     "@metcoder95/https-pem": "^1.0.0",

yarn.lock

@@ -2374,7 +2374,7 @@ __metadata:
     downlevel-dts: "npm:0.10.1"
     premove: "npm:4.0.0"
     tslib: "npm:^2.6.2"
-    undici: "npm:^7.0.0"
+    undici: "npm:^7.29.0"
   peerDependencies:
     undici: ">=7.0.0"
   languageName: unknown
@@ -7159,10 +7159,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"undici@npm:^7.0.0":
-  version: 7.28.0
-  resolution: "undici@npm:7.28.0"
-  checksum: 10c0/fe781983a26098795e99bb1f64906cbb7d0bcaa029a26baade007b53ea67f2631d189b8f9671a31f4c8d0cb3773b7559608628ba54452fef51fec90e7c78bb0d
+"undici@npm:^7.29.0":
+  version: 7.29.0
+  resolution: "undici@npm:7.29.0"
+  checksum: 10c0/85ea96e91e7f3de24de678cbbc54230fdd641a3b0643005f2aef044af1f1a2db8fbecb88b28e6fa78bb41ffeafda4479b57075b6b6ab92beac4b7b5ab53f9b10
   languageName: node
   linkType: hard