Bump com.squareup.okhttp3:okhttp in /test/fixtures/hdfs-fixture

Bumps [com.squareup.okhttp3:okhttp](https://github.com/square/okhttp) from 4.11.0 to 4.12.0.
- [Changelog](https://github.com/square/okhttp/blob/master/CHANGELOG.md)
- [Commits](square/okhttp@parent-4.11.0...parent-4.12.0)

---
updated-dependencies:
- dependency-name: com.squareup.okhttp3:okhttp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

test/fixtures/hdfs-fixture/build.gradle

@@ -68,7 +68,7 @@ dependencies {
   api "org.apache.commons:commons-text:1.10.0"
   api "commons-net:commons-net:3.9.0"
   runtimeOnly "com.google.guava:guava:${versions.guava}"
-  runtimeOnly("com.squareup.okhttp3:okhttp:4.11.0") {
+  runtimeOnly("com.squareup.okhttp3:okhttp:4.12.0") {
     exclude group: "com.squareup.okio"
   }
   runtimeOnly "com.squareup.okio:okio:3.6.0"