adds ruby 2.6 series testing to the testing matrix (#97)

* adds ruby 2.6 series testing to the testing matrix

* Set nokogiri requirement to the Enroll version.

* try to load different versions of nokogiri based on Ruby version

* removes nokogiri from Gemfile.lock

* reverts unwanted changes

* relaxes dependency versions

---------

Co-authored-by: Trey Evans <lewis.r.evans@gmail.com>

.github/workflows/rspec.yml

@@ -6,7 +6,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby_version: ["2.7.5", "3.0.5", "3.1.4", "3.2.2"]
+        ruby_version: ['2.6.3', '2.7.5', '3.0.5', '3.1.4', '3.2.2']
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2

Gemfile.lock

@@ -5,12 +5,12 @@ PATH
       addressable (>= 2.8.0)
       bunny (>= 2.14)
       deep_merge (~> 1.2.0)
-      dry-configurable (= 0.12.1)
+      dry-configurable (~> 0.12)
       dry-events (~> 0.3)
       dry-inflector (~> 0.2)
       dry-initializer (~> 3.0)
       dry-monads (~> 1.3)
-      dry-schema (= 1.6.2)
+      dry-schema (~> 1.6)
       dry-struct (~> 1.4)
       dry-types (~> 1.5)
       dry-validation (~> 1.6)
@@ -213,9 +213,6 @@ GEM
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     nio4r (2.5.8)
-    nokogiri (1.14.2)
-      mini_portile2 (~> 2.8.0)
-      racc (~> 1.4)
     oj (3.13.9)
     ox (2.14.5)
     parallel (1.20.1)

event_source.gemspec

@@ -38,15 +38,15 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'addressable', '>= 2.8.0'
   spec.add_dependency 'bunny', '>= 2.14'
   spec.add_dependency 'deep_merge', '~> 1.2.0'
-  spec.add_dependency 'dry-configurable', '0.12.1'
+  spec.add_dependency 'dry-configurable', '~> 0.12'
   spec.add_dependency 'dry-events', '~> 0.3'
   spec.add_dependency 'dry-inflector', '~> 0.2'
   spec.add_dependency 'dry-initializer', '~> 3.0'
   spec.add_dependency 'dry-monads', '~> 1.3'
   spec.add_dependency 'dry-struct', '~> 1.4'
   spec.add_dependency 'dry-types', '~> 1.5'
   spec.add_dependency 'dry-validation', '~> 1.6'
-  spec.add_dependency 'dry-schema', '1.6.2'
+  spec.add_dependency 'dry-schema', '~> 1.6'
   spec.add_dependency 'faraday', '~> 1.4.1'
   spec.add_dependency 'faraday_middleware', '~> 1.0'
   spec.add_dependency 'logging', '~> 2.3.0'