Add Linux platform to bundle lockfile.

Author: samuel-williams-shopify

gems.locked

@@ -121,6 +121,7 @@ GEM
       samovar (~> 2.3)
     ffi (1.17.4)
     ffi (1.17.4-arm64-darwin)
+    ffi (1.17.4-x86_64-linux-gnu)
     fiber-annotation (0.2.0)
     fiber-local (1.1.0)
       fiber-storage
@@ -293,6 +294,7 @@ GEM
 
 PLATFORMS
   arm64-darwin
+  x86_64-linux
 
 DEPENDENCIES
   async