fix(deps): update dependency org.wiremock:wiremock-standalone to v3.12.0 (#1547)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [org.wiremock:wiremock-standalone](http://wiremock.org)
([source](https://redirect.github.com/wiremock/wiremock)) | `3.11.0` ->
`3.12.0` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/org.wiremock:wiremock-standalone/3.12.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/org.wiremock:wiremock-standalone/3.12.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/org.wiremock:wiremock-standalone/3.11.0/3.12.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/org.wiremock:wiremock-standalone/3.11.0/3.12.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>wiremock/wiremock (org.wiremock:wiremock-standalone)</summary>

###
[`v3.12.0`](https://redirect.github.com/wiremock/wiremock/releases/tag/3.12.0)

[Compare
Source](https://redirect.github.com/wiremock/wiremock/compare/3.11.0...3.12.0)

<!-- Optional: add a release summary here -->

#### 🚀 New Features

- Support optional removal of null-valued attributes in jsonMerge helper
([#&#8203;2957](https://redirect.github.com/wiremock/wiremock/issues/2957))
[@&#8203;tomakehurst](https://redirect.github.com/tomakehurst)
- feat: add namespace parameter to equalToXml.
([#&#8203;2954](https://redirect.github.com/wiremock/wiremock/issues/2954))
[@&#8203;RafeArnold](https://redirect.github.com/RafeArnold)

#### 📦 Dependency updates

- Bump net.minidev:json-smart from 2.5.1 to 2.5.2
([#&#8203;2962](https://redirect.github.com/wiremock/wiremock/issues/2962))
[@&#8203;dependabot](https://redirect.github.com/dependabot)
- Bump me.champeau.jmh from 0.7.2 to 0.7.3
([#&#8203;2950](https://redirect.github.com/wiremock/wiremock/issues/2950))
[@&#8203;dependabot](https://redirect.github.com/dependabot)
- Bump org.apache.httpcomponents.client5:httpclient5 from 5.4.1 to 5.4.2
([#&#8203;2952](https://redirect.github.com/wiremock/wiremock/issues/2952))
[@&#8203;dependabot](https://redirect.github.com/dependabot)

#### ✍ Other changes

- Drop to the version of spotless where we didn't have any issues
([#&#8203;2955](https://redirect.github.com/wiremock/wiremock/issues/2955))
[@&#8203;leeturner](https://redirect.github.com/leeturner)

</details>

---

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gradle/libraries.versions.toml

@@ -44,7 +44,7 @@ junit-jupiter-engine = { module = "org.junit.jupiter:junit-jupiter-engine", vers
 jsonassert = { module = "org.skyscreamer:jsonassert", version = "1.5.3" }
 mockito-core = { module = "org.mockito:mockito-core", version.ref = "mockito" }
 mockito-junit-jupiter = { module = "org.mockito:mockito-junit-jupiter", version.ref = "mockito" }
-wiremock = { group = "org.wiremock", name = "wiremock-standalone", version = "3.11.0" }
+wiremock = { group = "org.wiremock", name = "wiremock-standalone", version = "3.12.0" }
 test-arranger = { module = "com.ocadotechnology.gembus:test-arranger", version = "1.5.7.1" }
 socks-proxy-server = { module = "com.github.bbottema:java-socks-proxy-server", version = "4.1.2" }
 littleproxy = { module = "xyz.rogfam:littleproxy", version = "2.2.0" }