Avoid loading dependencies on boot

This helps improve boot time in development, as it delays loading the
dependencies until Rodauth configuration is evaluated.

lib/generators/rodauth/install_generator.rb

@@ -40,18 +40,18 @@ def create_rodauth_app
 
         def add_gems
           if activerecord? && !sequel?
-            gem "sequel-activerecord_connection", "~> 2.0", comment: "Enables Sequel to use Active Record's database connection"
-            gem "after_commit_everywhere", "~> 1.1", comment: "Required for Sequel's transaction hooks to work in all cases (on Active Record < 7.2)" if ActiveRecord.version < Gem::Version.new("7.2")
+            gem "sequel-activerecord_connection", "~> 2.0", require: false, comment: "Enables Sequel to use Active Record's database connection"
+            gem "after_commit_everywhere", "~> 1.1", require: false, comment: "Required for Sequel's transaction hooks to work in all cases (on Active Record < 7.2)" if ActiveRecord.version < Gem::Version.new("7.2")
           end
           if argon2?
-            gem "argon2", "~> 2.3", comment: "Used by Rodauth for password hashing"
+            gem "argon2", "~> 2.3", require: false, comment: "Used by Rodauth for password hashing"
           else
-            gem "bcrypt", "~> 3.1", comment: "Used by Rodauth for password hashing"
+            gem "bcrypt", "~> 3.1", require: false, comment: "Used by Rodauth for password hashing"
           end
           if jwt?
-            gem "jwt", "~> 2.9", comment: "Used by Rodauth for JWT support"
+            gem "jwt", "~> 2.9", require: false, comment: "Used by Rodauth for JWT support"
           end
-          gem "tilt", "~> 2.4", comment: "Used by Rodauth for rendering built-in view and email templates"
+          gem "tilt", "~> 2.4", require: false, comment: "Used by Rodauth for rendering built-in view and email templates"
         end
 
         def create_rodauth_controller