Exec: bundle update --bundler

Author: yasulab

Gemfile.lock

@@ -91,6 +91,7 @@ GEM
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
+    logger (1.7.0)
     mercenary (0.4.0)
     metrics (0.12.2)
     nokogiri (1.18.8-arm64-darwin)
@@ -142,7 +143,8 @@ DEPENDENCIES
   jekyll-feed
   jekyll-redirect-from
   jekyll-sitemap
+  logger
   rake
 
 BUNDLED WITH
-   2.6.2
+   2.6.9