Bump ruby/setup-ruby
Bump ruby/setup-ruby

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from ec106b438a1ff6ff109590de34ddc62c540232e0 to 1.47.0. This release includes the previously tagged commit.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Commits](https://github.com/ruby/setup-ruby/compare/ec106b438a1ff6ff109590de34ddc62c540232e0...a195098f6b1e9074390215a49c1c14e82151a289)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
araneforseti/api-tester,araneforseti/api-tester