Bump dotenv from 3.1.4 to 3.1.5

Bumps [dotenv](https://github.com/bkeepers/dotenv) from 3.1.4 to 3.1.5.
- [Release notes](https://github.com/bkeepers/dotenv/releases)
- [Changelog](https://github.com/bkeepers/dotenv/blob/main/Changelog.md)
- [Commits](bkeepers/dotenv@v3.1.4...v3.1.5)

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

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

Gemfile.lock

@@ -99,9 +99,9 @@ GEM
     crass (1.0.6)
     csv (3.3.0)
     date (3.4.1)
-    dotenv (3.1.4)
-    dotenv-rails (3.1.4)
-      dotenv (= 3.1.4)
+    dotenv (3.1.5)
+    dotenv-rails (3.1.5)
+      dotenv (= 3.1.5)
       railties (>= 6.1)
     drb (2.2.1)
     erubi (1.13.0)