chore(deps): update module github.com/spf13/viper to v1.12.0 (#1101)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [github.com/spf13/viper](https://togithub.com/spf13/viper) | require | minor | `v1.11.0` -> `v1.12.0` |

---

### Release Notes

<details>
<summary>spf13/viper</summary>

### [`v1.12.0`](https://togithub.com/spf13/viper/releases/tag/v1.12.0)

[Compare Source](https://togithub.com/spf13/viper/compare/v1.11.0...v1.12.0)

This release makes YAML v3 and TOML v2 the default versions used for encoding.

You can switch back to the old versions by adding `viper_yaml2` and `viper_toml1` to the build tags.

Please note that YAML v2 and TOML v1 are considered deprecated from this release and may be removed in a future release.

Please provide feedback in discussions and report bugs on the issue tracker. Thanks!

<!-- Release notes generated using configuration in .github/release.yml at v1.12.0 -->

#### What's Changed

##### Exciting New Features 🎉

-   Add etcd3 support to remote by [@&#8203;sagikazarmark](https://togithub.com/sagikazarmark) in [spf13/viper#1356
-   Make YAML 3 the default by [@&#8203;sagikazarmark](https://togithub.com/sagikazarmark) in [spf13/viper#1357
-   Make TOML 2 the default by [@&#8203;sagikazarmark](https://togithub.com/sagikazarmark) in [spf13/viper#1358

##### Enhancements 🚀

-   chore: fix Error log calls in mergeMaps by [@&#8203;wwade](https://togithub.com/wwade) in [spf13/viper#1341
-   Add MustBindEnv by [@&#8203;meowfaceman](https://togithub.com/meowfaceman) in [spf13/viper#1301

##### Dependency Updates ⬆️

-   build(deps): bump github/codeql-action from 1 to 2 by [@&#8203;dependabot](https://togithub.com/dependabot) in [spf13/viper#1336
-   build(deps): bump github.com/pelletier/go-toml/v2 from 2.0.0-beta.8 to 2.0.0 by [@&#8203;dependabot](https://togithub.com/dependabot) in [spf13/viper#1339
-   build(deps): bump github.com/mitchellh/mapstructure from 1.4.3 to 1.5.0 by [@&#8203;dependabot](https://togithub.com/dependabot) in [spf13/viper#1332
-   build(deps): bump github.com/pelletier/go-toml from 1.9.4 to 1.9.5 by [@&#8203;dependabot](https://togithub.com/dependabot) in [spf13/viper#1335
-   build(deps): bump github.com/fsnotify/fsnotify from 1.5.1 to 1.5.4 by [@&#8203;dependabot](https://togithub.com/dependabot) in [spf13/viper#1338
-   build(deps): bump github.com/spf13/cast from 1.4.1 to 1.5.0 by [@&#8203;dependabot](https://togithub.com/dependabot) in [spf13/viper#1344
-   build(deps): bump github.com/pelletier/go-toml/v2 from 2.0.0 to 2.0.1 by [@&#8203;dependabot](https://togithub.com/dependabot) in [spf13/viper#1343
-   build(deps): bump github.com/subosito/gotenv from 1.2.0 to 1.3.0 by [@&#8203;dependabot](https://togithub.com/dependabot) in [spf13/viper#1349

#### New Contributors

-   [@&#8203;meowfaceman](https://togithub.com/meowfaceman) made their first contribution in [spf13/viper#1301
-   [@&#8203;wwade](https://togithub.com/wwade) made their first contribution in [spf13/viper#1341

**Full Changelog**: spf13/viper@v1.11.0...v1.12.0

</details>

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go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/iancoleman/strcase v0.2.0
 	github.com/soheilhy/cmux v0.1.5
 	github.com/spf13/cobra v1.4.0
-	github.com/spf13/viper v1.11.0
+	github.com/spf13/viper v1.12.0
 	golang.org/x/oauth2 v0.0.0-20220524215830-622c5d57e401
 	golang.org/x/sync v0.0.0-20220513210516-0976fa681c29
 	google.golang.org/api v0.81.0