chore(deps): update module github.com/spf13/viper to v1.20.1 (#6515)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [github.com/spf13/viper](https://redirect.github.com/spf13/viper) |
`v1.20.0` -> `v1.20.1` |
[![age](https://developer.mend.io/api/mc/badges/age/go/github.com%2fspf13%2fviper/v1.20.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/go/github.com%2fspf13%2fviper/v1.20.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/go/github.com%2fspf13%2fviper/v1.20.0/v1.20.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/go/github.com%2fspf13%2fviper/v1.20.0/v1.20.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>spf13/viper (github.com/spf13/viper)</summary>

###
[`v1.20.1`](https://redirect.github.com/spf13/viper/releases/tag/v1.20.1)

[Compare
Source](https://redirect.github.com/spf13/viper/compare/v1.20.0...v1.20.1)

<!-- Release notes generated using configuration in .github/release.yml
at v1.20.1 -->

#### What's Changed

##### Bug Fixes 🐛

- Backport config type fixes to 1.20.x by
[@&#8203;sagikazarmark](https://redirect.github.com/sagikazarmark) in
[https://github.com/spf13/viper/pull/2005](https://redirect.github.com/spf13/viper/pull/2005)

**Full Changelog**:
https://github.com/spf13/viper/compare/v1.20.0...v1.20.1

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

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

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

🔕 **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 was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/open-telemetry/opentelemetry-go).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4yMDcuMSIsInVwZGF0ZWRJblZlciI6IjM5LjIwNy4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJTa2lwIENoYW5nZWxvZyIsImRlcGVuZGVuY2llcyJdfQ==-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

internal/tools/go.mod

@@ -182,7 +182,7 @@ require (
 	github.com/spf13/cast v1.7.1 // indirect
 	github.com/spf13/cobra v1.9.1 // indirect
 	github.com/spf13/pflag v1.0.6 // indirect
-	github.com/spf13/viper v1.20.0 // indirect
+	github.com/spf13/viper v1.20.1 // indirect
 	github.com/ssgreg/nlreturn/v2 v2.2.1 // indirect
 	github.com/stbenjam/no-sprintf-host-port v0.2.0 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect

internal/tools/go.sum

@@ -426,8 +426,8 @@ github.com/spf13/cobra v1.9.1/go.mod h1:nDyEzZ8ogv936Cinf6g1RU9MRY64Ir93oCnqb9wx
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
 github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/spf13/viper v1.20.0 h1:zrxIyR3RQIOsarIrgL8+sAvALXul9jeEPa06Y0Ph6vY=
-github.com/spf13/viper v1.20.0/go.mod h1:P9Mdzt1zoHIG8m2eZQinpiBjo6kCmZSKBClNNqjJvu4=
+github.com/spf13/viper v1.20.1 h1:ZMi+z/lvLyPSCoNtFCpqjy0S4kPbirhpTMwl8BkW9X4=
+github.com/spf13/viper v1.20.1/go.mod h1:P9Mdzt1zoHIG8m2eZQinpiBjo6kCmZSKBClNNqjJvu4=
 github.com/ssgreg/nlreturn/v2 v2.2.1 h1:X4XDI7jstt3ySqGU86YGAURbxw3oTDPK9sPEi6YEwQ0=
 github.com/ssgreg/nlreturn/v2 v2.2.1/go.mod h1:E/iiPB78hV7Szg2YfRgyIrk1AD6JVMTRkkxBiELzh2I=
 github.com/stbenjam/no-sprintf-host-port v0.2.0 h1:i8pxvGrt1+4G0czLr/WnmyH7zbZ8Bg8etvARQ1rpyl4=