Merge pull request #189 from infrablocks/dependabot/bundler/dotenv-3.1.6

Bump dotenv from 3.1.4 to 3.1.6 [skip ci]

Author: infrablocks-maintainers

Gemfile.lock

@@ -1573,7 +1573,7 @@ GEM
     docker-api (2.4.0)
       excon (>= 0.64.0)
       multi_json
-    dotenv (3.1.4)
+    dotenv (3.1.6)
     down (5.4.2)
       addressable (~> 2.8)
     drb (2.2.1)