[Bug]: iOS: SKDownload.contentLength is deprecated since iOS 13

[pintsized]

Detailed steps on how to reproduce the bug

JUCE/modules/juce_product_unlocking/native/juce_InAppPurchases_ios.cpp

Line 60 in 501c076

int64 getContentLength() const override { return download.contentLength; }

From SKDownload.h:

@property(nonatomic, readonly) long long contentLength API_DEPRECATED_WITH_REPLACEMENT("-[SKDownload expectedContentLength]", ios(6.0, 13.0), tvos(9.0, 13.0), macCatalyst(13.0, 13.0)) API_UNAVAILABLE(visionos) API_UNAVAILABLE(macos, watchos);

What is the expected behaviour?

Module should compile without deprecation warnings.

Operating systems

iOS

What versions of the operating systems?

iOS 13+

Architectures

Arm64/aarch64

Stacktrace

Plug-in formats (if applicable)

No response

Plug-in host applications (DAWs) (if applicable)

No response

Testing on the develop branch

The bug is present on the develop branch

Code of Conduct

• I agree to follow the Code of Conduct