Bump capybara from 3.39.2 to 3.40.0 in /graph-sample

Bumps [capybara](https://github.com/teamcapybara/capybara) from 3.39.2 to 3.40.0.
- [Changelog](https://github.com/teamcapybara/capybara/blob/master/History.md)
- [Commits](teamcapybara/capybara@3.39.2...3.40.0)

---
updated-dependencies:
- dependency-name: capybara
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

graph-sample/Gemfile.lock

@@ -82,19 +82,19 @@ GEM
       minitest (>= 5.1)
       mutex_m
       tzinfo (~> 2.0)
-    addressable (2.8.4)
+    addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     base64 (0.2.0)
     bigdecimal (3.1.6)
     bindex (0.8.1)
     bootsnap (1.17.1)
       msgpack (~> 1.2)
     builder (3.2.4)
-    capybara (3.39.2)
+    capybara (3.40.0)
       addressable
       matrix
       mini_mime (>= 0.1.3)
-      nokogiri (~> 1.8)
+      nokogiri (~> 1.11)
       rack (>= 1.6.0)
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
@@ -181,7 +181,7 @@ GEM
       omniauth (~> 2.0)
     psych (5.1.2)
       stringio
-    public_suffix (5.0.1)
+    public_suffix (5.0.4)
     puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.7.3)
@@ -227,7 +227,7 @@ GEM
     rake (13.1.0)
     rdoc (6.6.2)
       psych (>= 4.0.0)
-    regexp_parser (2.8.1)
+    regexp_parser (2.9.0)
     reline (0.4.2)
       io-console (~> 0.5)
     rexml (3.2.6)