feat: add consumer group tags support

[aboudreault]

This PR:

• Add ConsumerGroup tags
• Add Konnect Update functionality for ConsumerGroup and ConsumerGroupMember
• Fix the index lookup of ConsumerGroupConsumersCollection.Update
• Fix the index lookup of ConsumerGroupPluginsCollection.Update
• Fix consumerGroupConsumerCRUD.Update for konnect+gateway support
• Fix consumerGroupPluginCRUD.Update to return the proper ID
• Add ConsumerGroup update tests for gateway and konnect
• Update go-kong to 0.35
• Update the CI enterprise matrix to use the latest patch release.

[codecov-commenter]

Codecov Report

Base: 35.49% // Head: 35.39% // Decreases project coverage by -0.10% ⚠️

Coverage data is based on head (3ae71be) compared to base (b62a3f6).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #823      +/-   ##
==========================================
- Coverage   35.49%   35.39%   -0.10%     
==========================================
  Files          92       92              
  Lines       11230    11261      +31     
==========================================
  Hits         3986     3986              
- Misses       6847     6878      +31     
  Partials      397      397              

Impacted Files	Coverage Δ
crud/registry.go	100.00% <ø> (ø)
konnect/consumer_group.go	0.00% <0.00%> (ø)
state/consumer_group.go	0.00% <0.00%> (ø)
state/consumer_group_consumers.go	0.00% <0.00%> (ø)
state/consumer_group_plugin.go	0.00% <0.00%> (ø)

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[GGabriele]

Awesome job!!!