chore(deps): update dependency uuid to v7 (#325)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [uuid](https://togithub.com/uuidjs/uuid) | devDependencies | major | [`^3.3.2` -> `^7.0.0`](https://renovatebot.com/diffs/npm/uuid/3.4.0/7.0.3) |
| [uuid](https://togithub.com/uuidjs/uuid) | dependencies | major | [`^3.3.2` -> `^7.0.0`](https://renovatebot.com/diffs/npm/uuid/3.4.0/7.0.3) |

---

### Release Notes

<details>
<summary>uuidjs/uuid</summary>

### [`v7.0.3`](https://togithub.com/uuidjs/uuid/blob/master/CHANGELOG.md#&#8203;703-httpsgithubcomuuidjsuuidcomparev702v703-2020-03-31)

[Compare Source](https://togithub.com/uuidjs/uuid/compare/v7.0.2...v7.0.3)

### [`v7.0.2`](https://togithub.com/uuidjs/uuid/blob/master/CHANGELOG.md#&#8203;702-httpsgithubcomuuidjsuuidcomparev701v702-2020-03-04)

[Compare Source](https://togithub.com/uuidjs/uuid/compare/v7.0.1...v7.0.2)

### [`v7.0.1`](https://togithub.com/uuidjs/uuid/blob/master/CHANGELOG.md#&#8203;701-httpsgithubcomuuidjsuuidcomparev700v701-2020-02-25)

[Compare Source](https://togithub.com/uuidjs/uuid/compare/v7.0.0...v7.0.1)

### [`v7.0.0`](https://togithub.com/uuidjs/uuid/blob/master/CHANGELOG.md#&#8203;700-httpsgithubcomuuidjsuuidcomparev340v700-2020-02-24)

[Compare Source](https://togithub.com/uuidjs/uuid/compare/v3.4.0...v7.0.0)

##### ⚠ BREAKING CHANGES

-   The default export, which used to be the v4() method
    but which was already discouraged in v3.x of this library, has been
    removed.
-   Explicitly note that deep imports of the different uuid
    version functions are deprecated and no longer encouraged and that
    ECMAScript module named imports should be used instead.
    Emit a deprecation warning for people who deep-require the different
    algorithm variants.
-   Remove builtin support for insecure random number
    generators in the browser. Users who want that will have to supply their
    own random number generator function.
-   Remove support for generating v3 and v5 UUIDs in
    Node.js&lt;4.x
-   Convert code base to ECMAScript Modules (ESM) and
    release CommonJS build for node and ESM build for browser bundlers.

##### Features

-   add UMD build to npm package ([#&#8203;357](https://togithub.com/uuidjs/uuid/issues/357)) ([4e75adf](https://togithub.com/uuidjs/uuid/commit/4e75adf435196f28e3fbbe0185d654b5ded7ca2c)), closes [#&#8203;345](https://togithub.com/uuidjs/uuid/issues/345)
-   add various es module and CommonJS examples ([b238510](https://togithub.com/uuidjs/uuid/commit/b238510bf352463521f74bab175a3af9b7a42555))
-   ensure that docs are up-to-date in CI ([ee5e77d](https://togithub.com/uuidjs/uuid/commit/ee5e77db547474f5a8f23d6c857a6d399209986b))
-   hybrid CommonJS & ECMAScript modules build ([a3f078f](https://togithub.com/uuidjs/uuid/commit/a3f078faa0baff69ab41aed08e041f8f9c8993d0))
-   remove insecure fallback random number generator ([3a5842b](https://togithub.com/uuidjs/uuid/commit/3a5842b141a6e5de0ae338f391661e6b84b167c9)), closes [#&#8203;173](https://togithub.com/uuidjs/uuid/issues/173)
-   remove support for pre Node.js v4 Buffer API ([#&#8203;356](https://togithub.com/uuidjs/uuid/issues/356)) ([b59b5c5](https://togithub.com/uuidjs/uuid/commit/b59b5c5ecad271c5453f1a156f011671f6d35627))
-   rename repository to github:uuidjs/uuid ([#&#8203;351](https://togithub.com/uuidjs/uuid/issues/351)) ([c37a518](https://togithub.com/uuidjs/uuid/commit/c37a518e367ac4b6d0aa62dba1bc6ce9e85020f7)), closes [#&#8203;338](https://togithub.com/uuidjs/uuid/issues/338)

##### Bug Fixes

-   add deep-require proxies for local testing and adjust tests ([#&#8203;365](https://togithub.com/uuidjs/uuid/issues/365)) ([7fedc79](https://togithub.com/uuidjs/uuid/commit/7fedc79ac8fda4bfd1c566c7f05ef4ac13b2db48))
-   add note about removal of default export ([#&#8203;372](https://togithub.com/uuidjs/uuid/issues/372)) ([12749b7](https://togithub.com/uuidjs/uuid/commit/12749b700eb49db8a9759fd306d8be05dbfbd58c)), closes [#&#8203;370](https://togithub.com/uuidjs/uuid/issues/370)
-   deprecated deep requiring of the different algorithm versions ([#&#8203;361](https://togithub.com/uuidjs/uuid/issues/361)) ([c0bdf15](https://togithub.com/uuidjs/uuid/commit/c0bdf15e417639b1aeb0b247b2fb11f7a0a26b23))

</details>

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packages/google-cloud-iot/samples/package.json

@@ -28,7 +28,7 @@
     "request": "^2.88.0",
     "retry-request": "^4.0.0",
     "tape": "^4.13.0",
-    "uuid": "^3.3.2",
+    "uuid": "^7.0.0",
     "yargs": "^15.1.0"
   }
 }