Several dependabot ignore directives are no longer relevant. Unpin them
to ensure we get again get timely updates via dependabot.
* support for Hadoop 2 was dropped as part of #14763
* Guava was upgraded to 31 as part of #14767
* Calcite was upgraded to 1.35 as part of #14510
Many dependabot PRs are currently stuck due to API changes or
incompatibilities. Temporarily Increasing the limit so we can get
updates for other dependencies.
* Updates `org.apache.jclouds:*` from 1.9.1 to 2.0.3
* Pin jclouds to 2.0.x since 2.1.x requires Guava 18+
* replace easymock with mockito
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Xavier Léauté
Abhishek Agarwal
Rohan Garg
Suneet Saldanha
Dongjoon Hyun
zachjsh