Remove Ruby 2.7 from test matrix; update Nokogiri v1.16.2

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby_version: ["2.7", "3.0", "3.1", "3.2"]
+        ruby_version: ["3.0", "3.1", "3.2"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4

Gemfile.lock

@@ -44,14 +44,14 @@ GEM
     mini_portile2 (2.8.5)
     minitest (5.20.0)
     mutex_m (0.2.0)
-    nokogiri (1.15.5)
+    nokogiri (1.16.2)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.15.5-arm64-darwin)
+    nokogiri (1.16.2-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.15.5-x86_64-darwin)
+    nokogiri (1.16.2-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.15.5-x86_64-linux)
+    nokogiri (1.16.2-x86_64-linux)
       racc (~> 1.4)
     parallel (1.23.0)
     parser (3.2.2.4)