Remove gem "github-pages" from Gemfile and update jekyll-theme-chirpy…

… to version 6.3.1 in Gemfile.lock

Gemfile

@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 source "https://rubygems.org"
-gem "github-pages"
 
 gemspec
 

Gemfile.lock

@@ -1,3 +1,15 @@
+PATH
+  remote: .
+  specs:
+    jekyll-theme-chirpy (6.3.1)
+      jekyll (~> 4.3)
+      jekyll-archives (~> 2.2)
+      jekyll-include-cache (~> 0.2)
+      jekyll-paginate (~> 1.1)
+      jekyll-redirect-from (~> 0.16)
+      jekyll-seo-tag (~> 2.8)
+      jekyll-sitemap (~> 1.4)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -57,14 +69,6 @@ GEM
       jekyll (>= 3.8, < 5.0)
     jekyll-sitemap (1.4.0)
       jekyll (>= 3.7, < 5.0)
-    jekyll-theme-chirpy (6.3.1)
-      jekyll (~> 4.3)
-      jekyll-archives (~> 2.2)
-      jekyll-include-cache (~> 0.2)
-      jekyll-paginate (~> 1.1)
-      jekyll-redirect-from (~> 0.16)
-      jekyll-seo-tag (~> 2.8)
-      jekyll-sitemap (~> 1.4)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
     kramdown (2.4.0)
@@ -92,9 +96,9 @@ GEM
     rexml (3.2.6)
     rouge (4.2.0)
     safe_yaml (1.0.5)
-    sass-embedded (1.69.6-x64-mingw-ucrt)
+    sass-embedded (1.69.7-x64-mingw-ucrt)
       google-protobuf (~> 3.25)
-    sass-embedded (1.69.6-x86_64-linux-gnu)
+    sass-embedded (1.69.7-x86_64-linux-gnu)
       google-protobuf (~> 3.25)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
@@ -117,7 +121,7 @@ PLATFORMS
 DEPENDENCIES
   html-proofer (~> 4.4)
   http_parser.rb (~> 0.6.0)
-  jekyll-theme-chirpy (~> 6.3, >= 6.3.1)
+  jekyll-theme-chirpy!
   tzinfo (>= 1, < 3)
   tzinfo-data
   wdm (~> 0.1.1)