Co-authored-by: Justin Beckwith <justin.beckwith@gmail.com>

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [webpack-cli](https://togithub.com/webpack/webpack-cli) | devDependencies | major | [`^3.3.12` -> `^4.0.0`](https://renovatebot.com/diffs/npm/webpack-cli/3.3.12/4.0.0) |

---

### Release Notes

<details>
<summary>webpack/webpack-cli</summary>

### [`v4.0.0`](https://togithub.com/webpack/webpack-cli/blob/master/CHANGELOG.md#&#8203;400-httpsgithubcomwebpackwebpack-clicomparewebpack-cli400-rc1webpack-cli400-2020-10-10)

[Compare Source](https://togithub.com/webpack/webpack-cli/compare/v3.3.12...webpack-cli@4.0.0)

##### Bug Fixes

-   add compilation lifecycle in watch instance ([#&#8203;1903](https://togithub.com/webpack/webpack-cli/issues/1903)) ([02b6d21](https://togithub.com/webpack/webpack-cli/commit/02b6d21eaa20166a7ed37816de716b8fc22b756a))
-   cleanup `package-utils` package ([#&#8203;1822](https://togithub.com/webpack/webpack-cli/issues/1822)) ([fd5b92b](https://togithub.com/webpack/webpack-cli/commit/fd5b92b3cd40361daec5bf4486e455a41f4c9738))
-   cli-executer supplies args further up ([#&#8203;1904](https://togithub.com/webpack/webpack-cli/issues/1904)) ([097564a](https://togithub.com/webpack/webpack-cli/commit/097564a851b36b63e0a6bf88144997ef65aa057a))
-   exit code for validation errors ([59f6303](https://togithub.com/webpack/webpack-cli/commit/59f63037fcbdbb8934b578b9adf5725bc4ae1235))
-   exit process in case of schema errors ([71e89b4](https://togithub.com/webpack/webpack-cli/commit/71e89b4092d953ea587cc4f606451ab78cbcdb93))

##### Features

-   assign config paths in build dependencies in cache config ([#&#8203;1900](https://togithub.com/webpack/webpack-cli/issues/1900)) ([7e90f11](https://togithub.com/webpack/webpack-cli/commit/7e90f110b119f36ef9def4f66cf4e17ccf1438cd))

</details>

---

### Renovate configuration

:date: **Schedule**: "after 9am and before 3pm" (UTC).

:vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

:recycle: **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

:no_bell: **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/nodejs-security-private-ca).

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [webpack](https://togithub.com/webpack/webpack) | devDependencies | major | [`^4.44.1` -> `^5.0.0`](https://renovatebot.com/diffs/npm/webpack/4.44.2/5.1.0) |

---

### Release Notes

<details>
<summary>webpack/webpack</summary>

### [`v5.1.0`](https://togithub.com/webpack/webpack/releases/v5.1.0)

[Compare Source](https://togithub.com/webpack/webpack/compare/v5.0.0...v5.1.0)

### Features

-   expose `webpack` property from `Compiler`
-   expose `cleverMerge`, `EntryOptionPlugin`, `DynamicEntryPlugin`

### Bugfixes

-   missing `require("..").xxx` in try-catch produces a warning instead of an error now
-   handle reexports in concatenated modules correctly when they are side-effect-free
-   fix incorrect deprecation message for ModuleTemplate.hooks.hash

### [`v5.0.0`](https://togithub.com/webpack/webpack/releases/v5.0.0)

[Compare Source](https://togithub.com/webpack/webpack/compare/v4.44.2...v5.0.0)

[Announcement and changelog](https://webpack.js.org/blog/2020-10-10-webpack-5-release/)

</details>

---

### Renovate configuration

:date: **Schedule**: "after 9am and before 3pm" (UTC).

:vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

:recycle: **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

:no_bell: **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/nodejs-security-private-ca).

Regenerated the library using
[gapic-generator-typescript](https://github.com/googleapis/gapic-generator-typescript)
v1.2.1.

* chore: manually run synthtool
* build:  ignore broken link for time being since it hasn't been generated

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>