Add lower bound to Listen gem requirement

An issue was recently opened with the following error message:

```
.../activesupport-7.0.6/lib/active_support/evented_file_update_checker.rb:120:in `start': undefined method `wait_for_state' for #<Listen::Listener ...>
```

The issue is that the user was using Listen 3.0.8, however the
`wait_for_state` method was [added][1] in Listen 3.3.0

We can make the error message a little better by defining a lower bound
on Listen 3.3.0 (like we do for other optional dependencies):

```
.../bundler/rubygems_integration.rb:280:in `block (2 levels) in replace_gem': can't activate listen (~> 3.3), already activated listen-3.0.8. Make sure all dependencies are added to Gemfile. (Gem::LoadError)
```

There is definitely still room for improvement here, but this should
be much more helpful in figuring out that the issue is a bad Listen
version and not a bug in Rails.

[1]: guard/listen@12b4fc5

activesupport/CHANGELOG.md

@@ -1,3 +1,8 @@
+*   Improve error message when EventedFileUpdateChecker is used without a
+    compatible version of the Listen gem
+
+    *Hartley McGuire*
+
 *   Add `:report` behavior for Deprecation
 
     Setting `config.active_support.deprecation = :report` uses the error

activesupport/lib/active_support/evented_file_update_checker.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-gem "listen"
+gem "listen", "~> 3.5"
 require "listen"
 
 require "set"