Bump ruby-oembed from 0.18.0 to 0.18.1

Bumps [ruby-oembed](https://github.com/ruby-oembed/ruby-oembed) from 0.18.0 to 0.18.1.
- [Changelog](https://github.com/ruby-oembed/ruby-oembed/blob/master/CHANGELOG.rdoc)
- [Commits](ruby-oembed/ruby-oembed@v0.18.0...v0.18.1)

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

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

Gemfile.lock

@@ -170,7 +170,7 @@ GEM
       unicode-display_width (>= 2.4.0, < 4.0)
     rubocop-ast (1.36.2)
       parser (>= 3.3.1.0)
-    ruby-oembed (0.18.0)
+    ruby-oembed (0.18.1)
     ruby-progressbar (1.13.0)
     sassc (2.4.0)
       ffi (~> 1.9)