Update generated bin/dev to be the same as jsbundling-rails

[dorianmariecom]

    conflict  bin/dev
Overwrite /Users/dorianmariefr/src/pipelines/bin/dev? (enter "h" for help) [Ynaqdhm] d
--- /Users/dorianmariefr/src/pipelines/bin/dev	2022-02-25 19:25:58.000000000 +0100
+++ /Users/dorianmariefr/src/pipelines/bin/dev20220225-32075-ytg5lb	2022-02-25 19:42:59.000000000 +0100
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-if ! gem list --silent --installed foreman
+if ! command -v foreman &> /dev/null
 then
   echo "Installing foreman..."
   gem install foreman
Retrying...
Overwrite /Users/dorianmariefr/src/pipelines/bin/dev? (enter "h" for help) [Ynaqdhm] 

Made a similar one at jsbundling-rails, would be nice if of those pull requests gets merged (of course not both 😄 )

rails/jsbundling-rails#95