Jasper, a dependency of freeimage, caused a vcpkg build error when using the vcpkg cmake toolchain to build arrayfire. This was caused due to a build error upstream with Jasper. This sets a specific version for jasper which does not have that error.

Description

• Is this a new feature or a bug fix?: Bug fix
• Why these changes are necessary: Implements a workaround which streamlines the current windows build setup
• Potential impact on specific hardware, software or backends: affects arrayfire Windows builds
• New functions and their functionality: None
• Can this PR be backported to older versions?: Likely no
• Future changes not implemented in this PR: None

Fixes: #3574

Changes to Users

• Additional options added to the build: None
• No action required by the user

Checklist

• Rebased on latest master
• Code compiles
• Tests pass
• Functions added to unified API
• Functions documented