chore(deps): bump the ruby group with 6 updates (#884)

Bumps the ruby group with 6 updates:

| Package | From | To |
| --- | --- | --- |
| [html2rss](https://github.com/html2rss/html2rss) | ``19957e0`` | ``a21ca4f`` |
| [html2rss-configs](https://github.com/html2rss/html2rss-configs) | ``077f27c`` | ``6aadc0c`` |
| [rubocop](https://github.com/rubocop/rubocop) | `1.73.2` | `1.74.0` |
| [google-protobuf](https://github.com/protocolbuffers/protobuf) | `4.30.0` | `4.30.1` |
| [nokogiri](https://github.com/sparklemotion/nokogiri) | `1.18.3` | `1.18.4` |
| [rubocop-ast](https://github.com/rubocop/rubocop-ast) | `1.38.1` | `1.39.0` |


Updates `html2rss` from `19957e0` to `a21ca4f`
- [Release notes](https://github.com/html2rss/html2rss/releases)
- [Commits](html2rss/html2rss@19957e0...a21ca4f)

Updates `html2rss-configs` from `077f27c` to `6aadc0c`
- [Commits](html2rss/html2rss-configs@077f27c...6aadc0c)

Updates `rubocop` from 1.73.2 to 1.74.0
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.73.2...v1.74.0)

Updates `google-protobuf` from 4.30.0 to 4.30.1
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v4.30.0...v4.30.1)

Updates `nokogiri` from 1.18.3 to 1.18.4
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/v1.18.4/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.18.3...v1.18.4)

Updates `rubocop-ast` from 1.38.1 to 1.39.0
- [Release notes](https://github.com/rubocop/rubocop-ast/releases)
- [Changelog](https://github.com/rubocop/rubocop-ast/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-ast@v1.38.1...v1.39.0)

---
updated-dependencies:
- dependency-name: html2rss
  dependency-type: direct:production
  dependency-group: ruby
- dependency-name: html2rss-configs
  dependency-type: direct:production
  dependency-group: ruby
- dependency-name: rubocop
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: ruby
- dependency-name: google-protobuf
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: ruby
- dependency-name: nokogiri
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: ruby
- dependency-name: rubocop-ast
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: ruby
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Gemfile

@@ -26,5 +26,5 @@ end
 gem 'wdm', '~> 0.1.1', platforms: %i[mingw x64_mingw mswin]
 
 group :development do
-  gem 'rubocop', '~> 1.73'
+  gem 'rubocop', '~> 1.74'
 end

Gemfile.lock

@@ -1,13 +1,13 @@
 GIT
   remote: https://github.com/html2rss/html2rss-configs.git
-  revision: 077f27c87c44454ef5411fd8d4d2054447ff26b7
+  revision: 6aadc0cf35c10642a4f15022e3ee9902360d3171
   specs:
     html2rss-configs (0.2.0)
       html2rss
 
 GIT
   remote: https://github.com/html2rss/html2rss.git
-  revision: 19957e05b8859c7c7680a9319a90c560661cf439
+  revision: a21ca4f131ff5cb77c1b4a89083913f4d4b28be3
   specs:
     html2rss (0.17.0)
       addressable (~> 2.7)
@@ -89,10 +89,10 @@ GEM
     ffi (1.17.1-arm64-darwin)
     ffi (1.17.1-x86_64-linux-gnu)
     forwardable-extended (2.6.0)
-    google-protobuf (4.30.0-arm64-darwin)
+    google-protobuf (4.30.1-arm64-darwin)
       bigdecimal
       rake (>= 13)
-    google-protobuf (4.30.0-x86_64-linux)
+    google-protobuf (4.30.1-x86_64-linux)
       bigdecimal
       rake (>= 13)
     http_parser.rb (0.8.0)
@@ -159,9 +159,9 @@ GEM
     mime-types-data (3.2025.0304)
     net-http (0.6.0)
       uri
-    nokogiri (1.18.3-arm64-darwin)
+    nokogiri (1.18.4-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.3-x86_64-linux-gnu)
+    nokogiri (1.18.4-x86_64-linux-gnu)
       racc (~> 1.4)
     parallel (1.26.3)
     parser (3.3.7.1)
@@ -187,7 +187,7 @@ GEM
     rouge (4.5.1)
     rss (0.3.1)
       rexml
-    rubocop (1.73.2)
+    rubocop (1.74.0)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
@@ -198,7 +198,7 @@ GEM
       rubocop-ast (>= 1.38.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.38.1)
+    rubocop-ast (1.39.0)
       parser (>= 3.3.1.0)
     ruby-progressbar (1.13.0)
     safe_yaml (1.0.5)
@@ -236,7 +236,7 @@ DEPENDENCIES
   jekyll-sitemap
   jekyll-target-blank
   just-the-docs
-  rubocop (~> 1.73)
+  rubocop (~> 1.74)
   tzinfo (~> 2.0)
   tzinfo-data
   wdm (~> 0.1.1)