[ruby/pp] Bump version to 0.2.0

https://github.com/ruby/pp/commit/a202dd2c9b
2020-12-23 12:33:51 +09:00 · 2020-12-23 12:33:51 +09:00 · 3c8a67e8a5
--- a/lib/pp.gemspec
+++ b/lib/pp.gemspec
@ -1,6 +1,6 @@
 Gem::Specification.new do |spec|
  spec.name          = "pp"
-  spec.version       = "0.1.0"
+  spec.version       = "0.2.0"
  spec.authors       = ["Tanaka Akira"]
  spec.email         = ["akr@fsij.org"]