Update mysql2, json, to fix ruby 2.7 warnings (#37967)

* Update mysql2 to the latest version

Fixes keyword arguments warning:
brianmario/mysql2/pull/1084

Fixes taint mechanism deprecation warning:
brianmario/mysql2@785969fbce

* Update json to the latest version

Fixes warning from trying to access an uninitialized ivar, and
keyword arguments warning:

flori/json/commit/de14dea34074558dc671d7edc71513f0216ce21d
flori/json/commit/19da336333e63dc9dde7baea47b179e162b7568e
This commit is contained in:
utilum 2019-12-14 03:56:48 +00:00 committed by Ryuta Kamizono
parent 34de785971
commit 858e429bca

@ -290,8 +290,8 @@ GEM
jdbc-postgres (42.2.6)
jdbc-sqlite3 (3.28.0)
jmespath (1.4.0)
json (2.2.0)
json (2.2.0-java)
json (2.3.0)
json (2.3.0-java)
jwt (2.2.1)
kindlerb (1.2.0)
mustache
@ -335,9 +335,9 @@ GEM
multipart-post (2.1.1)
mustache (1.1.0)
mustermann (1.0.3)
mysql2 (0.5.2)
mysql2 (0.5.2-x64-mingw32)
mysql2 (0.5.2-x86-mingw32)
mysql2 (0.5.3)
mysql2 (0.5.3-x64-mingw32)
mysql2 (0.5.3-x86-mingw32)
nio4r (2.5.2)
nio4r (2.5.2-java)
nokogiri (1.10.4)