DEV: Bump docile to correct Ruby 2.7 delegation issues

Bumps [docile](https://github.com/ms-ati/docile) from 1.3.3 to 1.3.4.
- [Release notes](https://github.com/ms-ati/docile/releases)
- [Changelog](https://github.com/ms-ati/docile/blob/master/HISTORY.md)
- [Commits](https://github.com/ms-ati/docile/compare/v1.3.3...v1.3.4)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Corrects Ruby 2.7 delegation issues.

Gemfile.lock

@@ -112,7 +112,7 @@ GEM
       image_size (~> 1.5)
       in_threads (~> 1.3)
       progress (~> 3.0, >= 3.0.1)
-    docile (1.3.3)
+    docile (1.3.4)
     email_reply_trimmer (0.1.13)
     ember-data-source (3.0.2)
       ember-source (>= 2, < 3.0)