Revert "Update dependency for github-linguist removal"

This reverts commit 562e132c6e.

debian/control

@@ -90,6 +90,9 @@ Depends: ${shlibs:Depends}, ${misc:Depends},
 # Git Wiki
  ruby-gollum-lib (>= 4.2.7.5~),
  ruby-gollum-rugged-adapter (>= 0.4.4.1~),
+# Language detection
+ ruby-github-linguist (>= 5.3.3~),
+   ruby-escape-utils (>= 1.2.1~),
 # API
  ruby-grape (>= 1.0~),
  ruby-grape-entity (>= 0.7.1~),
@@ -141,7 +144,6 @@ Depends: ${shlibs:Depends}, ${misc:Depends},
  ruby-truncato (>= 0.7.9~),
  ruby-bootstrap-form (>= 2.7~),
  ruby-nokogiri (>= 1.8.2~),
- ruby-escape-utils (>= 1.2.1~),
 # Calendar rendering
  ruby-icalendar,
 # Diffs