clarify deprecation plan for use_deprecated_instrumentation_name (#2254)

* clarify deprecation plan

* update allocations

Author: joelhawksley

docs/CHANGELOG.md

@@ -14,6 +14,10 @@ nav_order: 6
 
     *Joel Hawksley*
 
+* Clarify that `config.use_deprecated_instrumentation_name` will be removed in v4.
+
+    *Joel Hawksley*
+
 ## 3.22.0
 
 * Rewrite `ViewComponents at GitHub` documentation as more general `Best practices`.

docs/api.md

@@ -269,7 +269,7 @@ Defaults to `ApplicationController`.
 
 Whether ActiveSupport Notifications use the private name `"!render.view_component"`
 or are made more publicly available via `"render.view_component"`.
-Will default to `false` in next major version.
+Will be removed in next major version.
 Defaults to `true`.
 
 ### `.view_component_path`

lib/view_component/config.rb

@@ -123,7 +123,7 @@ def defaults
       # @return [Boolean]
       # Whether ActiveSupport Notifications use the private name `"!render.view_component"`
       # or are made more publicly available via `"render.view_component"`.
-      # Will default to `false` in next major version.
+      # Will be removed in next major version.
       # Defaults to `true`.
 
       # @!attribute render_monkey_patch_enabled

test/sandbox/test/rendering_test.rb

@@ -16,7 +16,7 @@ def test_render_inline_allocations
     MyComponent.ensure_compiled
 
     allocations = (Rails.version.to_f >= 8.0) ?
-      {"3.5.0" => 121, "3.4.2" => 125, "3.3.7" => 137} :
+      {"3.5.0" => 119, "3.4.2" => 125, "3.3.7" => 137} :
       {"3.3.7" => 128, "3.3.0" => 140, "3.2.8" => 126, "3.1.7" => 126, "3.0.7" => 135}
 
     assert_allocations(**allocations) do