Bump prism from 1.1.0 to 1.2.0

Bumps [prism](https://github.com/ruby/prism) from 1.1.0 to 1.2.0.
- [Release notes](https://github.com/ruby/prism/releases)
- [Changelog](https://github.com/ruby/prism/blob/main/CHANGELOG.md)
- [Commits](ruby/prism@v1.1.0...v1.2.0)

---
updated-dependencies:
- dependency-name: prism
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -26,7 +26,7 @@ GEM
     parser (3.3.5.0)
       ast (~> 2.4.1)
       racc
-    prism (1.1.0)
+    prism (1.2.0)
     racc (1.8.1)
     rainbow (3.1.1)
     rake (13.2.1)