DEV: update bundler version

DEV: update bundler version

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fcfedcc..20c4b6d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Setup gems
         run: |
           gem uninstall bundler
-          gem install bundler -v 1.17.3
+          gem install bundler -v 2.2.14
           bundle config path vendor/bundle
           bundle install --jobs 4
       - name: Tests
diff --git a/Gemfile.lock b/Gemfile.lock
index d6c729e..18779ac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -141,4 +141,4 @@ RUBY VERSION
    ruby 2.7.1p83
 
 BUNDLED WITH
-   2.2.9
+   2.2.14

GitHub sha: ad12b826

This commit appears in #11 which was approved by davidtaylorhq. It was merged by Supermathie.