Can't Deploy - "Test with Jekyll" Failing Due to Ruby & Bundler?

[valwade275]

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Hello! I'm a humble newbie, and I'm trying to get my GitHub pages site to deploy. However, I keep receiving the following error:
ERROR: Error installing bundler:
There are no versions of bundler (= 2.5.14) compatible with your Ruby & RubyGems
bundler requires Ruby version >= 3.0.0. The current ruby version is 2.7.8.225.

However, on my command line, I show the following:
jekyll -v --> jekyll 3.9.5
ruby -v --> ruby 3.3.3
bundler -v --> bundler version 2.5.14

I'm assuming the problem is with my ci.yaml file, _config.yaml file, and/or Gemfile, but I'm stuck. I would greatly appreciate it if anyone could point me in the right direction.

Here is the link to my repo: https://github.com/valwade275/valwade275.github.io