Bump sprockets-rails from 3.4.2 to 3.5.1

Bumps [sprockets-rails](https://github.com/rails/sprockets-rails) from 3.4.2 to 3.5.1.
- [Release notes](https://github.com/rails/sprockets-rails/releases)
- [Commits](https://github.com/rails/sprockets-rails/compare/v3.4.2...v3.5.1)

---
updated-dependencies:
- dependency-name: sprockets-rails
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -98,7 +98,7 @@ GEM
     bootstrap_form (5.3.2)
       actionpack (>= 6.1)
       activemodel (>= 6.1)
-    builder (3.2.4)
+    builder (3.3.0)
     bullet (7.1.6)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
@@ -115,7 +115,7 @@ GEM
     childprocess (5.0.0)
     chunky_png (1.4.0)
     colorize (1.1.0)
-    concurrent-ruby (1.2.3)
+    concurrent-ruby (1.3.3)
     connection_pool (2.4.1)
     crass (1.0.6)
     cssbundling-rails (1.4.0)
@@ -271,7 +271,7 @@ GEM
       rake
     mini_magick (4.12.0)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.6)
+    mini_portile2 (2.8.7)
     minitest (5.23.1)
     msgpack (1.7.2)
     multi_json (1.15.0)
@@ -482,9 +482,9 @@ GEM
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
-    sprockets-rails (3.4.2)
-      actionpack (>= 5.2)
-      activesupport (>= 5.2)
+    sprockets-rails (3.5.1)
+      actionpack (>= 6.1)
+      activesupport (>= 6.1)
       sprockets (>= 3.0.0)
     ssrf_filter (1.1.2)
     strscan (3.1.0)