Fix CI: add ruby and x86_64-linux platforms to lockfile

The previous lockfile only had x86_64-linux-gnu which doesn't match
the CI runner's platform.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: andreibondarev

Gemfile.lock

@@ -116,6 +116,7 @@ GEM
     erb (4.0.4)
       cgi (>= 0.3.3)
     erubi (1.13.1)
+    ffi (1.17.3)
     ffi (1.17.3-arm64-darwin)
     ffi (1.17.3-x86_64-darwin)
     ffi (1.17.3-x86_64-linux-gnu)
@@ -160,6 +161,7 @@ GEM
     marcel (1.1.0)
     method_source (1.1.0)
     mini_mime (1.1.5)
+    mini_portile2 (2.8.9)
     minitest (5.27.0)
     mutex_m (0.3.0)
     net-imap (0.5.13)
@@ -172,6 +174,9 @@ GEM
     net-smtp (0.5.1)
       net-protocol
     nio4r (2.7.5)
+    nokogiri (1.18.10)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     nokogiri (1.18.10-arm64-darwin)
       racc (~> 1.4)
     nokogiri (1.18.10-x86_64-darwin)
@@ -299,6 +304,8 @@ GEM
       actionpack (>= 6.1)
       activesupport (>= 6.1)
       sprockets (>= 3.0.0)
+    sqlite3 (2.8.1)
+      mini_portile2 (~> 2.8.0)
     sqlite3 (2.8.1-arm64-darwin)
     sqlite3 (2.8.1-x86_64-darwin)
     sqlite3 (2.8.1-x86_64-linux-gnu)
@@ -333,6 +340,7 @@ GEM
 
 PLATFORMS
   arm64-darwin
+  ruby
   x86_64-darwin
   x86_64-linux
   x86_64-linux-gnu