Merge pull request #2317 from ruby/dependabot/bundler/pstore-0.2.0

Bump pstore from 0.1.4 to 0.2.0

Author: soutaro

Gemfile.lock

@@ -78,7 +78,7 @@ GEM
       racc
     pathname (0.4.0)
     power_assert (2.0.5)
-    pstore (0.1.4)
+    pstore (0.2.0)
     psych (4.0.6)
       stringio
     public_suffix (6.0.1)