Update parser gem to eliminate Ruby 2.7.5 warning

Full diff: https://my.diffend.io/gems/parser/3.0.2.0/3.0.3.2

Update parser gem to eliminate Ruby 2.7.5 warning
b35cfd59 · Stan Hu · 4571d402 · b35cfd59
Verified Commit b35cfd59 authored 3 years ago by Stan Hu
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -906,7 +906,7 @@ GEM
    orm_adapter (0.5.0)
    os (1.1.1)
    parallel (1.20.1)
-    parser (3.0.2.0)
+    parser (3.0.3.2)
      ast (~> 2.4.1)
    parslet (1.8.2)
    pastel (0.8.0)