Update CHANGELOG.md

Author: gdalle

DifferentiationInterface/CHANGELOG.md

@@ -70,7 +70,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [0.6.54]: https://github.com/JuliaDiff/DifferentiationInterface.jl/compare/DifferentiationInterface-v0.6.53...DifferentiationInterface-v0.6.54
 [0.6.53]: https://github.com/JuliaDiff/DifferentiationInterface.jl/compare/DifferentiationInterface-v0.6.52...DifferentiationInterface-v0.6.53
 
-[#825]: https://github.com/JuliaDiff/DifferentiationInterface.jl/pull/825
+[#826]: https://github.com/JuliaDiff/DifferentiationInterface.jl/pull/826
 [#824]: https://github.com/JuliaDiff/DifferentiationInterface.jl/pull/824
 [#823]: https://github.com/JuliaDiff/DifferentiationInterface.jl/pull/823
 [#818]: https://github.com/JuliaDiff/DifferentiationInterface.jl/pull/818