Macro bonanza (#2553)

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* Silence test warnings

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* update a bunch of docs

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* fix

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* Kill integration tests for now

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* updating docs for @Reducer macro

* replaced more Reducer protocols with @Reducer

* Fixed some broken docc references

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* Some @Reducer docs

* more docs

* convert some old styles to new style

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* bump

* update tutorials to use body

* update tutorials to use DML on destination state enum

* Add diagnostic

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* updated a few more tests

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* Add another gotcha

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* fixes

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* fix

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* remove for now

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* updated some docs

* migration guides

* more migration guide

* fix ci

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* soft deprecate all apis using AnyCasePath

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* Fix

* fix tests

* swift-format 509 compatibility

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* Update Sources/ComposableArchitecture/Macros.swift

Co-authored-by: Mateusz Bąk <bakmatthew@icloud.com>

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* update optional state case study

* remove initializer

* Don't use @State for BasicsView integration demo

* fix tests

* remove reduce diagnostics for now

* diagnose error not warning

* Update Sources/ComposableArchitecture/Macros.swift

Co-authored-by: Jesse Tipton <jesse@jessetipton.com>

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* move integration tests to cron

* Revert "move integration tests to cron"

This reverts commit f9bdf2f04b.

* disable flakey tests on CI

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* Revert "Revert "move integration tests to cron""

This reverts commit 66aafa7327.

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* fix

---------

Co-authored-by: Brandon Williams <mbrandonw@hey.com>
Co-authored-by: Mateusz Bąk <bakmatthew@icloud.com>
Co-authored-by: Brandon Williams <135203+mbrandonw@users.noreply.github.com>
Co-authored-by: Jesse Tipton <jesse@jessetipton.com>

Sources/swift-composable-architecture-benchmark/StoreSuite.swift

@@ -33,7 +33,8 @@ let storeSuite = BenchmarkSuite(name: "Store") {
   }
 }
 
-private struct Feature: Reducer {
+@Reducer
+private struct Feature {
   struct State {
     @PresentationState var child: State?
     var count = 0
@@ -55,7 +56,7 @@ private struct Feature: Reducer {
         return .none
       }
     }
-    .ifLet(\.$child, action: /Action.child) {
+    .ifLet(\.$child, action: \.child) {
       Feature()
     }
   }