Bump better_errors from 2.9.1 to 2.10.1

Bumps [better_errors](https://github.com/BetterErrors/better_errors) from 2.9.1 to 2.10.1.
- [Release notes](https://github.com/BetterErrors/better_errors/releases)
- [Commits](BetterErrors/better_errors@v2.9.1...v2.10.1)

---
updated-dependencies:
- dependency-name: better_errors
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -113,10 +113,10 @@ GEM
       execjs (~> 2.0)
     base64 (0.2.0)
     bcrypt (3.1.18)
-    better_errors (2.9.1)
-      coderay (>= 1.0.0)
+    better_errors (2.10.1)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
+      rouge (>= 1.0.0)
     bindex (0.8.1)
     binding_of_caller (1.0.0)
       debug_inspector (>= 0.0.1)
@@ -416,6 +416,7 @@ GEM
       actionpack (>= 5.2)
       railties (>= 5.2)
     rexml (3.2.5)
+    rouge (4.5.1)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)