Bump IDisposableAnalyzers from 3.4.2 to 3.4.3
Bump IDisposableAnalyzers from 3.4.2 to 3.4.3

Bumps [IDisposableAnalyzers](https://github.com/DotNetAnalyzers/IDisposableAnalyzers) from 3.4.2 to 3.4.3.
- [Release notes](https://github.com/DotNetAnalyzers/IDisposableAnalyzers/releases)
- [Changelog](https://github.com/DotNetAnalyzers/IDisposableAnalyzers/blob/master/RELEASE_NOTES.md)
- [Commits](https://github.com/DotNetAnalyzers/IDisposableAnalyzers/compare/3.4.2...3.4.3)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
y-iihoshi/ThScoreFileConverter,y-iihoshi/ThScoreFileConverter