chore(deps-dev): bump agentmail from 0.5.20 to 0.5.23

Bumps [agentmail](https://github.com/agentmail-to/agentmail-node) from 0.5.20 to 0.5.23.
- [Release notes](https://github.com/agentmail-to/agentmail-node/releases)
- [Commits](https://github.com/agentmail-to/agentmail-node/compare/0.5.20...0.5.23)

---
updated-dependencies:
- dependency-name: agentmail
  dependency-version: 0.5.23
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -87,7 +87,7 @@
   },
   "devDependencies": {
     "@playwright/test": "^1.62.1",
-    "agentmail": "^0.5.14",
+    "agentmail": "^0.5.23",
     "cross-env": "^10.1.0",
     "esbuild": "^0.28.2",
     "typescript": "^7.0.2",

pnpm-lock.yaml

@@ -37,8 +37,8 @@ importers:
         specifier: ^1.62.1
         version: 1.62.1
       agentmail:
-        specifier: ^0.5.14
-        version: 0.5.20
+        specifier: ^0.5.23
+        version: 0.5.23
       cross-env:
         specifier: ^10.1.0
         version: 10.1.0
@@ -5193,8 +5193,8 @@ packages:
     resolution: {integrity: sha512-MnA+YT8fwfJPgBx3m60MNqakm30XOkyIoH1y6huTQvC0PwZG7ki8NacLBcrPbNoo8vEZy7Jpuk7+jMO+CUovTQ==}
     engines: {node: '>= 14'}
 
-  agentmail@0.5.20:
-    resolution: {integrity: sha512-EA1QAwxkkbH2fUZ8hC/hWZzDsGBV7b50c5LEHcwFi8/e6SArB+U50fDXBMxcbn8jh/UDeNEJZncdYxicrN64SQ==}
+  agentmail@0.5.23:
+    resolution: {integrity: sha512-s1ZfwNlsaH9JYaHbqhsl7zuFwxdByGWvXUnKyK/aMekFUmLg5QXBc+s7aXSutKv1wWHM3SAi8s4VljoQpaoAPA==}
     engines: {node: '>=18.0.0'}
     peerDependencies:
       '@x402/fetch': ^2
@@ -12409,7 +12409,7 @@ snapshots:
 
   agent-base@7.1.4: {}
 
-  agentmail@0.5.20:
+  agentmail@0.5.23:
     dependencies:
       ws: 8.21.3
     transitivePeerDependencies: