CompatHelper: add new compat entry for PackageExtensionCompat at version 1 for package DifferentiationInterfaceTest, (keep existing compat) (#362)

* CompatHelper: add new compat entry for PackageExtensionCompat at version 1 for package DifferentiationInterfaceTest, (keep existing compat)

* Compat

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Co-authored-by: CompatHelper Julia <compathelper_noreply@julialang.org>
Co-authored-by: Guillaume Dalle <22795598+gdalle@users.noreply.github.com>

Author: 3 people

DifferentiationInterfaceTest/Project.toml

@@ -39,6 +39,7 @@ DocStringExtensions = "0.9"
 JET = "0.4 - 0.8, 0.9"
 JLArrays = "0.1"
 LinearAlgebra = "<0.0.1,1"
+PackageExtensionCompat = "1"
 ProgressMeter = "1"
 Random = "<0.0.1,1"
 SparseArrays = "<0.0.1,1"