Bump addressable from 2.5.2 to 2.8.0 in /old

Bumps [addressable](https://github.com/sporkmonger/addressable) from 2.5.2 to 2.8.0.
- [Release notes](https://github.com/sporkmonger/addressable/releases)
- [Changelog](https://github.com/sporkmonger/addressable/blob/main/CHANGELOG.md)
- [Commits](sporkmonger/addressable@addressable-2.5.2...addressable-2.8.0)

---
updated-dependencies:
- dependency-name: addressable
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

old/Gemfile.lock

@@ -1,23 +1,40 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
     concurrent-ruby (1.0.5)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
-    execjs (2.7.0)
-    faraday (0.15.3)
+    faraday (1.10.0)
+      faraday-em_http (~> 1.0)
+      faraday-em_synchrony (~> 1.0)
+      faraday-excon (~> 1.1)
+      faraday-httpclient (~> 1.0)
+      faraday-multipart (~> 1.0)
+      faraday-net_http (~> 1.0)
+      faraday-net_http_persistent (~> 1.0)
+      faraday-patron (~> 1.0)
+      faraday-rack (~> 1.0)
+      faraday-retry (~> 1.0)
+      ruby2_keywords (>= 0.0.4)
+    faraday-em_http (1.0.0)
+    faraday-em_synchrony (1.0.0)
+    faraday-excon (1.1.0)
+    faraday-httpclient (1.0.1)
+    faraday-multipart (1.0.3)
       multipart-post (>= 1.2, < 3)
+    faraday-net_http (1.0.1)
+    faraday-net_http_persistent (1.2.0)
+    faraday-patron (1.0.0)
+    faraday-rack (1.0.0)
+    faraday-retry (1.0.3)
     ffi (1.9.25)
     forwardable-extended (2.6.0)
-    htmlbeautifier (1.3.1)
     http_parser.rb (0.6.0)
-    httparty (0.15.7)
-      multi_xml (>= 0.5.2)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jekyll (3.8.4)
@@ -44,56 +61,35 @@ GEM
       jekyll (~> 3.3)
     jekyll-watch (2.1.2)
       listen (~> 3.0)
-    jekyll-webmention_io (3.3.2)
-      htmlbeautifier (~> 1.1)
-      jekyll (>= 3.2.0, < 4.0)
-      json (~> 2.0)
-      openssl (~> 2.0)
-      string_inflection (~> 0.1)
-      uglifier (~> 4.1)
-      webmention (~> 0.1.6)
-    json (2.1.0)
     kramdown (1.17.0)
-    link_header (0.0.8)
     liquid (4.0.1)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
     mercenary (0.3.6)
-    mini_portile2 (2.3.0)
-    multi_xml (0.6.0)
-    multipart-post (2.0.0)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
-    octokit (4.13.0)
+    multipart-post (2.1.1)
+    octokit (4.22.0)
+      faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
-    openssl (2.1.2)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.3)
+    public_suffix (4.0.7)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     rouge (3.3.0)
+    ruby2_keywords (0.0.5)
     ruby_dep (1.5.0)
     safe_yaml (1.0.4)
     sass (3.6.0)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sawyer (0.8.1)
-      addressable (>= 2.3.5, < 2.6)
-      faraday (~> 0.8, < 1.0)
-    string_inflection (0.1.2)
-    uglifier (4.1.19)
-      execjs (>= 0.3.0, < 3)
-    webmention (0.1.6)
-      httparty (~> 0.15.5)
-      json
-      link_header (~> 0.0.8)
-      nokogiri
+    sawyer (0.8.2)
+      addressable (>= 2.3.5)
+      faraday (> 0.8, < 2.0)
 
 PLATFORMS
   ruby
@@ -104,7 +100,6 @@ DEPENDENCIES
   jekyll-gist
   jekyll-paginate
   jekyll-seo-tag
-  jekyll-webmention_io
 
 BUNDLED WITH
    1.16.1