Bump simple_form from 5.0.3 to 5.1.0 (#15732)

Bumps [simple_form](https://github.com/plataformatec/simple_form) from 5.0.3 to 5.1.0.
- [Release notes](https://github.com/plataformatec/simple_form/releases)
- [Changelog](https://github.com/heartcombo/simple_form/blob/master/CHANGELOG.md)
- [Commits](https://github.com/plataformatec/simple_form/compare/v5.0.3...v5.1.0)

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

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

Gemfile.lock

@@ -331,7 +331,7 @@ GEM
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.8.0)
+    loofah (2.9.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -592,9 +592,9 @@ GEM
       thor (>= 0.20, < 2.0)
     simple-navigation (4.1.0)
       activesupport (>= 2.3.2)
-    simple_form (5.0.3)
-      actionpack (>= 5.0)
-      activemodel (>= 5.0)
+    simple_form (5.1.0)
+      actionpack (>= 5.2)
+      activemodel (>= 5.2)
     simplecov (0.21.2)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
@@ -800,7 +800,7 @@ DEPENDENCIES
   sidekiq-scheduler (~> 3.0)
   sidekiq-unique-jobs (~> 6.0)
   simple-navigation (~> 4.1)
-  simple_form (~> 5.0)
+  simple_form (~> 5.1)
   simplecov (~> 0.21)
   sprockets (~> 3.7.2)
   sprockets-rails (~> 3.2)