Merge pull request #2323 from freeCodeCamp/renovate/sprockets-3.x-lockfile

chore(deps): update dependency sprockets to v3.7.4

Author: renovate[bot]

Gemfile.lock

@@ -109,7 +109,7 @@ GEM
       rack-protection (= 3.2.0)
       sinatra (= 3.2.0)
       tilt (~> 2.0)
-    sprockets (3.7.3)
+    sprockets (3.7.4)
       base64
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)