3.x: Fix Single.timeout race condition (ReactiveX#7515)

3.x: Fix Single.timeout race condition (ReactiveX#7515)

Bump mockito-core from 4.5.1 to 4.6.0 (ReactiveX#7426)

Bumps [mockito-core](https://github.com/mockito/mockito) from 4.5.1 to 4.6.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v4.5.1...v4.6.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Upgrade to Gradle 7.4.1 (ReactiveX#7402)

via

```
gradlew wrapper --gradle-version=7.4.1
```

Bump mockito-core from 4.0.0 to 4.1.0 (ReactiveX#7363)

Bumps [mockito-core](https://github.com/mockito/mockito) from 4.0.0 to 4.1.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v4.0.0...v4.1.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bump mockito-core from 3.12.4 to 4.0.0 (ReactiveX#7350)

Bumps [mockito-core](https://github.com/mockito/mockito) from 3.12.4 to 4.0.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.12.4...v4.0.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Align hasCustomOnError behavior of CallbackCompletableObserver with L…

…ambdaObserver, ConsumerSingleObserver and so on (ReactiveX#7326)

Co-authored-by: zhuwenbo <zhuwenbo@bilibili.com>

Bump gradle to 7.1.1 (ReactiveX#7307)

* Bump gradle to 7.1.1

* Execute `gradlew wrapper`

Bump gradle/wrapper-validation-action from 1.0.3 to 1.0.4 (ReactiveX#…

…7279)

Bumps [gradle/wrapper-validation-action](https://github.com/gradle/wrapper-validation-action) from 1.0.3 to 1.0.4.
- [Release notes](https://github.com/gradle/wrapper-validation-action/releases)
- [Commits](gradle/wrapper-validation-action@v1.0.3...v1.0.4)

Signed-off-by: dependabot[bot] <support@github.com>

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3.x: Javadoc: Fix wording of *OnSubscribe interfaces (ReactiveX#7274)