Revert "Update gems, update activesupport"

This reverts commit 460d6a0809c12605cfc6bd543ebb0c41075b4657.

docs/Gemfile

@@ -2,11 +2,4 @@ source 'https://rubygems.org'
 
 gem 'jekyll'
 gem 'github-pages'
-
-# Adding webrick explicitly - it was part of ruby 2.x, but removed with ruby 3
 gem "webrick"
-
-# Note: manually overridden dependency for jekyll (3.9.2):
-# instead of i18n (~> 0.7) using now i18n (>= 0.7)
-
-# Note: manually updated to activesupport (6.1.7.2)

docs/Gemfile.lock

@@ -1,12 +1,12 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.1.7.2)
+    activesupport (6.0.6.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      tzinfo (~> 2.0)
-      zeitwerk (~> 2.3)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+      zeitwerk (~> 2.2, >= 2.2.2)
     addressable (2.8.1)
       public_suffix (>= 2.0.2, < 6.0)
     coffee-script (2.4.1)
@@ -87,13 +87,13 @@ GEM
       activesupport (>= 2)
       nokogiri (>= 1.4)
     http_parser.rb (0.8.0)
-    i18n (1.12.0)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jekyll (3.9.2)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
-      i18n (>= 0.7)
+      i18n (~> 0.7)
       jekyll-sass-converter (~> 1.0)
       jekyll-watch (~> 2.0)
       kramdown (>= 1.17, < 3)
@@ -245,8 +245,8 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (2.0.5)
-      concurrent-ruby (~> 1.0)
+    tzinfo (1.2.10)
+      thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.8.2)