Bump better_errors from 2.7.1 to 2.8.0

Bumps [better_errors](https://github.com/BetterErrors/better_errors) from 2.7.1 to 2.8.0.
- [Release notes](https://github.com/BetterErrors/better_errors/releases)
- [Commits](BetterErrors/better_errors@v2.7.1...v2.8.0)

---
updated-dependencies:
- dependency-name: better_errors
  dependency-type: direct:development
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -69,7 +69,7 @@ GEM
     archive-zip (0.12.0)
       io-like (~> 0.3.0)
     ast (2.4.2)
-    better_errors (2.7.1)
+    better_errors (2.8.0)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)