Bump dotenv from 3.1.4 to 3.1.6

Bumps [dotenv](https://github.com/bkeepers/dotenv) from 3.1.4 to 3.1.6.
- [Release notes](https://github.com/bkeepers/dotenv/releases)
- [Changelog](https://github.com/bkeepers/dotenv/blob/main/Changelog.md)
- [Commits](bkeepers/dotenv@v3.1.4...v3.1.6)

---
updated-dependencies:
- dependency-name: dotenv
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -18,7 +18,7 @@ GEM
     diff-lcs (1.5.1)
     docile (1.4.1)
     domain_name (0.6.20240107)
-    dotenv (3.1.4)
+    dotenv (3.1.6)
     ffi (1.17.0)
     ffi-compiler (1.3.2)
       ffi (>= 1.15.5)