Release v0.3.2

### Added
- Release jar file to github releases

### Changed
- Bump versions
    * Gralde@6.9
    * omegat-gradle@1.5.3
    * gradle.git-version@0.12.3
    * JUnit@5.7.2
    * Spotless@5.13.0
    * commons-io@2.7
    * jackson@2.12.3
    * coveralls-jacoco@1.12.12
    * coveralls@2.12.0
    * httpclient5@5.1
    * actions/checkout@v2
    * actions/setup-java@v2
- Refer omegat@5.5.0
- Change gradle versioner to com.palantir.git-version@0.12.3

Signed-off-by: Hiroshi Miura <miurahr@linux.com>

CHANGELOG.md

@@ -3,6 +3,8 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+## [v0.3.2]
+
 ### Added
 - Release jar file to github releases
 
@@ -41,7 +43,8 @@ All notable changes to this project will be documented in this file.
 
 * First alpha release.
 
-[Unreleased]: https://github.com/miurahr/omegat-onlinedictionary/compare/v0.3.1...HEAD
+[Unreleased]: https://github.com/miurahr/omegat-onlinedictionary/compare/v0.3.2...HEAD
+[v0.3.2]: https://github.com/miurahr/omegat-onlinedictionary/compare/v0.3.1...v0.3.2
 [v0.3.1]: https://github.com/miurahr/omegat-onlinedictionary/compare/v0.3.0...v0.3.1
 [v0.3.0]: https://github.com/miurahr/omegat-onlinedictionary/compare/v0.1.0...v0.3.0
 [v0.1.0]: https://github.com/miurahr/omegat-onlinedictionary/compare/v0.0.1...v0.1.0