Update critical file(s) according to Chirpy v6.4.2

See also: https://github.com/cotes2020/jekyll-theme-chirpy/pull/1431


Co-authored-by: Dmitry Kosarev <kosarevdmlive@outlook.com>

.github/workflows/pages-deploy.yml

@@ -42,7 +42,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3
+          ruby-version: 3.2
           bundler-cache: true
 
       - name: Build site

Gemfile

@@ -2,7 +2,7 @@
 
 source "https://rubygems.org"
 
-gem "jekyll-theme-chirpy", "~> 6.3", ">= 6.3.1"
+gem "jekyll-theme-chirpy", "~> 6.4", ">= 6.4.2"
 
 group :test do
   gem "html-proofer", "~> 4.4"

_config.yml

@@ -75,6 +75,10 @@ img_cdn:
 # the avatar on sidebar, support local or CORS resources
 avatar:
 
+# The URL of the site-wide social preview image used in SEO `og:image` meta tag.
+# It can be overridden by a customized `page.image` in front matter.
+social_preview_image: # string, local or CORS resources
+
 # boolean type, the global switch for TOC in posts.
 toc: true