Fix FastBroadcast extension for v1.0 API, use Serial type

Update RecursiveArrayToolsFastBroadcastExt to dispatch on
FastBroadcast.Serial instead of the removed Static.False type.
Using Serial ensures this method won't be invalidated when
Polyester loads. Require FastBroadcast >= 1.1.

Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: ChrisRackauckas

Project.toml

@@ -47,7 +47,7 @@ Adapt = "4"
 Aqua = "0.8"
 ArrayInterface = "7.16"
 DocStringExtensions = "0.9.3"
-FastBroadcast = "0.3.5, 1"
+FastBroadcast = "1.1"
 ForwardDiff = "0.10.38, 1"
 GPUArraysCore = "0.2"
 KernelAbstractions = "0.9.36"

ext/RecursiveArrayToolsFastBroadcastExt.jl

@@ -2,16 +2,17 @@ module RecursiveArrayToolsFastBroadcastExt
 
 using RecursiveArrayTools
 using FastBroadcast
+using FastBroadcast: Serial
 using StaticArraysCore
 
 const AbstractVectorOfSArray = AbstractVectorOfArray{
     T, N, <:AbstractVector{<:StaticArraysCore.SArray},
 } where {T, N}
 
 @inline function FastBroadcast.fast_materialize!(
-        ::FastBroadcast.Static.False, ::DB, dst::AbstractVectorOfSArray,
+        ::Serial, dst::AbstractVectorOfSArray,
         bc::Broadcast.Broadcasted{S}
-    ) where {S, DB}
+    ) where {S}
     if FastBroadcast.use_fast_broadcast(S)
         for i in 1:length(dst.u)
             unpacked = RecursiveArrayTools.unpack_voa(bc, i)