Bump icu4j from 64.2 to 70.1
Bump icu4j from 64.2 to 70.1

Bumps [icu4j](https://github.com/unicode-org/icu) from 64.2 to 70.1.
- [Release notes](https://github.com/unicode-org/icu/releases)
- [Commits](https://github.com/unicode-org/icu/commits)

---
updated-dependencies:
- dependency-name: com.ibm.icu:icu4j
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
jenkinsci/deployer-framework-plugin,jenkinsci/deployer-framework-plugin,jenkinsci/deployer-framework-plugin