add x86_64-linux platform in Gemfile

Author: escherize

Gemfile.lock

@@ -11,10 +11,14 @@ GEM
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
     ffi (1.17.1-arm64-darwin)
+    ffi (1.17.1-x86_64-linux-gnu)
     forwardable-extended (2.6.0)
     google-protobuf (4.30.2-arm64-darwin)
       bigdecimal
       rake (>= 13)
+    google-protobuf (4.30.2-x86_64-linux)
+      bigdecimal
+      rake (>= 13)
     http_parser.rb (0.8.0)
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
@@ -64,13 +68,16 @@ GEM
     safe_yaml (1.0.5)
     sass-embedded (1.86.1-arm64-darwin)
       google-protobuf (~> 4.30)
+    sass-embedded (1.86.1-x86_64-linux-gnu)
+      google-protobuf (~> 4.30)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     unicode-display_width (2.6.0)
     webrick (1.9.1)
 
 PLATFORMS
   arm64-darwin
+  x86_64-linux
 
 DEPENDENCIES
   http_parser.rb (~> 0.6.0)