chore: clear CircleCI cache

Author: bednar

.circleci/config.yml

@@ -45,9 +45,9 @@ commands:
  - restore_cache:
  name: Restoring Gem Cache
  keys:
- - &cache-key gem-cache-v3-{{ checksum "<< parameters.path >>/<< parameters.gemspec-file >>" }}-<< parameters.ruby-image >>
- - gem-cache-v3-{{ checksum "<< parameters.path >>/<< parameters.gemspec-file >>" }}
- - gem-cache-v3-
+ - &cache-key gem-cache-v4-{{ checksum "<< parameters.path >>/<< parameters.gemspec-file >>" }}-<< parameters.ruby-image >>
+ - gem-cache-v4-{{ checksum "<< parameters.path >>/<< parameters.gemspec-file >>" }}
+ - gem-cache-v4-
  - run:
  name: Install dependencies
  command: |