chore: Update lock file

MichaelCurrin · MichaelCurrin · commit 1472a5136051 · 2020-07-09T12:05:54.000+02:00
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -67,7 +67,7 @@ PLATFORMS
 DEPENDENCIES
   jekyll (~> 3.8.5)
   jekyll-feed (~> 0.6)
-  jekyll-sitemap
+  jekyll-sitemap (~> 1.4.0)
   minima (~> 2.0)
 
 BUNDLED WITH
