Add Ruby 3.3 to CI matrix (#174)

* Add Ruby 3.3 to CI matrix

* Remove 2.7 and 3.0

* Update Nokogiri

---------

Co-authored-by: David Heinemeier Hansson <david@hey.com>
Co-authored-by: Theodor Tonum <theodor@tonum.no>

.github/workflows/ci.yml

@@ -5,10 +5,9 @@ jobs:
     strategy:
       matrix:
         ruby-version:
-          - "2.7"
-          - "3.0"
           - "3.1"
           - "3.2"
+          - "3.3"
         continue-on-error: [false]
 
     name: ${{ format('Tests (Ruby {0})', matrix.ruby-version) }}

Gemfile.lock

@@ -99,7 +99,7 @@ GEM
     marcel (1.0.2)
     method_source (1.0.0)
     mini_mime (1.1.2)
-    mini_portile2 (2.8.1)
+    mini_portile2 (2.8.5)
     minitest (5.15.0)
     net-imap (0.2.3)
       digest
@@ -117,16 +117,16 @@ GEM
       net-protocol
       timeout
     nio4r (2.5.8)
-    nokogiri (1.14.0)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.16.2)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.14.0-arm64-darwin)
+    nokogiri (1.16.2-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.14.0-x86_64-darwin)
+    nokogiri (1.16.2-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.14.0-x86_64-linux)
+    nokogiri (1.16.2-x86_64-linux)
       racc (~> 1.4)
-    racc (1.6.2)
+    racc (1.7.3)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)