chore(deps): update dependency dotenv-rails to v3.1.6 (#268)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Gemfile.lock

@@ -93,9 +93,9 @@ GEM
       reline (>= 0.3.8)
     declarative (0.0.20)
     diff-lcs (1.5.1)
-    dotenv (3.1.5)
-    dotenv-rails (3.1.5)
-      dotenv (= 3.1.5)
+    dotenv (3.1.6)
+    dotenv-rails (3.1.6)
+      dotenv (= 3.1.6)
       railties (>= 6.1)
     drb (2.2.1)
     erubi (1.13.0)