fix: 🐛 Add 'undici' package to support 'yarn' (#73)

## Why?

When `@fleek-platform/cli` is installed globally using Yarn, the fleek
sites deploy command fails with the error message:
```
❌ Error: Upload failed.
```

## How?

- Added `undici` package to fix the issue

## Tickets?

-
[PLAT-1900](https://linear.app/fleekxyz/issue/PLAT-1900/yarn-global-installation-of-fleek-platformcli-fails-site-deployment)

## Contribution checklist?

- [x] The commit messages are detailed
- [x] The `build` command runs locally
- [ ] Assets or static content are linked and stored in the project
- [x] You have manually tested
- [ ] You have provided tests

## Security checklist?

- [ ] Sensitive data has been identified and is being protected properly
- [ ] Injection has been prevented (parameterized queries, no eval or
system calls)

.changeset/pink-gifts-perform.md

@@ -0,0 +1,5 @@
+---
+"@fleek-platform/cli": patch
+---
+
+Add "undici" package to support "yarn"

package.json

@@ -61,6 +61,7 @@
     "prompts": "^2.4.2",
     "semver": "^7.3.8",
     "ts-node": "10.9.1",
+    "undici": "^7.1.0",
     "unique-names-generator": "^4.7.1",
     "update-notifier-cjs": "^5.1.6"
   },