Bump debase-ruby_core_source dependency to 3.2.3

ddtrace.gemspec

@@ -59,7 +59,7 @@ Gem::Specification.new do |spec|
   # Used by the profiler native extension to support Ruby < 2.6 and > 3.2
   #
   # We decided to pin it at the latest available version and will manually bump the dependency as needed.
-  spec.add_dependency 'debase-ruby_core_source', '= 3.2.2'
+  spec.add_dependency 'debase-ruby_core_source', '= 3.2.3'
 
   # Used by appsec
   spec.add_dependency 'libddwaf', '~> 1.14.0.0.0'

ext/ddtrace_profiling_native_extension/extconf.rb

@@ -81,10 +81,7 @@ def add_compiler_flag(flag)
 
 # Because we can't control what compiler versions our customers use, shipping with -Werror by default is a no-go.
 # But we can enable it in CI, so that we quickly spot any new warnings that just got introduced.
-#
-# @ivoanjo TODO: 3.3.0-preview releases are causing issues in CI because `have_header('vm_core.h')` below triggers warnings;
-# I've chosen to disable `-Werror` for this Ruby version for now, and we can revisit this on a later 3.3 release.
-add_compiler_flag '-Werror' if ENV['DDTRACE_CI'] == 'true' && !RUBY_DESCRIPTION.include?('3.3.0preview')
+add_compiler_flag '-Werror' if ENV['DDTRACE_CI'] == 'true'
 
 # Older gcc releases may not default to C99 and we need to ask for this. This is also used:
 # * by upstream Ruby -- search for gnu99 in the codebase
@@ -103,7 +100,13 @@ def add_compiler_flag(flag)
 add_compiler_flag '-Werror-implicit-function-declaration'
 
 # Warn on unused parameters to functions. Use `DDTRACE_UNUSED` to mark things as known-to-not-be-used.
-add_compiler_flag '-Wunused-parameter'
+#
+# @ivoanjo TODO: 3.3.0 development releases are causing issues because:
+# 1. We're enabling unused parameter warnings
+# 2. The VM headers trigger unused parameter warnings
+# 3. When we call `have_header` below, mkmf compiles the target code with `-Werror`, turning warnings into errors
+# For now, I've chosen to disable this warning for Ruby 3.3; we can revisit at a later 3.3 release.
+add_compiler_flag '-Wunused-parameter' unless RUBY_VERSION.start_with?('3.3.')
 
 # The native extension is not intended to expose any symbols/functions for other native libraries to use;
 # the sole exception being `Init_ddtrace_profiling_native_extension` which needs to be visible for Ruby to call it when