Bump rxjava from 3.1.3 to 3.1.4

Bumps rxjava from 3.1.3 to 3.1.4.

Release notes

Sourced from rxjava's releases.

3.1.4

Version 3.1.4 - March 21nd, 2022

Maven JavaDocs

Documentation

• Apply the Javadoc format cleanup to Disposable.html (#7393)
• Fix marbles of first(T) (#7400)

Other

• Move nullness annotation to use sites of Supplier (#7385)

Commits

• becde83 Upgrade to Gradle 7.4.1 (#7402)
• 72f24e2 3.x: Fix marbles of first(T) (#7400)
• 2cab59d Bump mockito-core from 4.3.1 to 4.4.0 (#7401)
• 9f91839 Bump actions/checkout from 2.4.0 to 3 (#7399)
• e22f925 Bump guava from 31.0.1-jre to 31.1-jre (#7398)
• db96a1f Bump com.vanniktech.maven.publish from 0.18.0 to 0.19.0 (#7396)
• e8855b2 Bump biz.aQute.bnd.builder from 6.1.0 to 6.2.0 (#7397)
• ca6293e 3.x: Apply the Javadoc format cleanup to Disposable.html (#7393)
• 97f1702 Upgrade to Gradle 7.4 (#7392)
• 47189ac 3.x: Move nullness annotation to use sites of Supplier (#7385)
• Additional commits viewable in compare view