Fixes #12074: Pin rack-cache to less than 1.3.0
The 1.3.0 version of rack-cache requires Ruby 2.0 or greater.
(cherry picked from commit 3b3f0a118c9ec860abf52b454e8d70c9132e8948)
Fixes #12074: Pin rack-cache to less than 1.3.0
The 1.3.0 version of rack-cache requires Ruby 2.0 or greater.
(cherry picked from commit 3b3f0a118c9ec860abf52b454e8d70c9132e8948)