build(deps): bump turbo-rails from 1.0.1 to 2.0.0 in /backend

Bumps [turbo-rails](https://github.com/hotwired/turbo-rails) from 1.0.1 to 2.0.0.
- [Release notes](https://github.com/hotwired/turbo-rails/releases)
- [Commits](hotwired/turbo-rails@v1.0.1...v2.0.0)

---
updated-dependencies:
- dependency-name: turbo-rails
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

backend/Gemfile.lock

@@ -342,7 +342,7 @@ GEM
     mini_magick (4.11.0)
     mini_mime (1.1.2)
     mini_portile2 (2.8.5)
-    minitest (5.21.2)
+    minitest (5.22.1)
     msgpack (1.5.1)
     multi_json (1.15.0)
     multipart-post (2.1.1)
@@ -356,12 +356,12 @@ GEM
     net-smtp (0.4.0)
       net-protocol
     nio4r (2.7.0)
-    nokogiri (1.16.0)
+    nokogiri (1.16.2)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.16.0-x86_64-darwin)
+    nokogiri (1.16.2-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.0-x86_64-linux)
+    nokogiri (1.16.2-x86_64-linux)
       racc (~> 1.4)
     optimist (3.0.1)
     orm_adapter (0.5.0)
@@ -546,8 +546,9 @@ GEM
     traco (5.3.3)
       activerecord (>= 4.2)
     trailblazer-option (0.1.2)
-    turbo-rails (1.0.1)
+    turbo-rails (2.0.0)
       actionpack (>= 6.0.0)
+      activejob (>= 6.0.0)
       railties (>= 6.0.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
@@ -571,7 +572,7 @@ GEM
     websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.6.12)
+    zeitwerk (2.6.13)
 
 PLATFORMS
   ruby