chore(deps): pin zod to 3.21.4 (#24)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [zod](https://zod.dev) ([source](https://togithub.com/colinhacks/zod)) | dependencies | pin | [`^3.21.4` -> `3.21.4`](https://renovatebot.com/diffs/npm/zod/3.21.4/3.21.4) |

Add the preset `:preserveSemverRanges` to your config if you don't want to pin your dependencies.

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package.json

@@ -79,7 +79,7 @@
  "dotenv": "16.3.1",
  "winston": "3.9.0",
  "winston-daily-rotate-file": "4.7.1",
- "zod": "^3.21.4"
+ "zod": "3.21.4"
  },
  "devDependencies": {
  "@babel/plugin-syntax-import-assertions": "7.22.5",