RUBY-3588 Deprecate Support for Server Version 4.0 (#2980)

* RUBY-3552 Deprecate support for server version 3.6

Adds a new Mongo::Deprecations module as well

* feedback from copilot

* extend, not include (for Ruby 2.7)

* RUBY-3588 deprecate server version 4.0

* reverse the prefix-match logic so it actually works

Author: jamis

lib/mongo/server/description/features.rb

@@ -104,7 +104,7 @@ class Features
         #
         # If there are no currently-deprecated wire versions, this should be
         # set to an empty range (e.g. the EMPTY_RANGE constant).
-        DEPRECATED_WIRE_VERSIONS = 6..6
+        DEPRECATED_WIRE_VERSIONS = 6..7
 
         # make sure the deprecated versions are valid
         if DEPRECATED_WIRE_VERSIONS.min

spec/mongo/server/description/features_spec.rb

@@ -291,4 +291,10 @@
       end
     end
   end
+
+  [ 6, 7 ].each do |deprecated_wire_version|
+    it "declares wire version #{deprecated_wire_version} as deprecated" do
+      expect(described_class::DEPRECATED_WIRE_VERSIONS).to include(deprecated_wire_version)
+    end
+  end
 end