Update SwiftPM file to 5.0.

[phimage]

Fix compilation issue by adding import for UIBezierPath

This allow to open project in Xcode 11 by opening Package.swift
To have build and test available

Using command line, build could be checked by executing

sdk=`xcrun -sdk iphonesimulator -show-sdk-path`
sdkVersion=`echo $sdk | sed -E 's/.*iPhoneSimulator(.*)\.sdk/\1/'`
swift build  -Xswiftc "-sdk" -Xswiftc "$sdk" -Xswiftc "-target" -Xswiftc "x86_64-apple-ios$sdkVersion-simulator"

could be added to a CI like travis or github workflow like this

[codecov]

Codecov Report

Merging #44 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #44   +/-   ##
=======================================
  Coverage   94.53%   94.53%           
=======================================
  Files           8        8           
  Lines         256      256           
=======================================
  Hits          242      242           
  Misses         14       14

Impacted Files	Coverage Δ
Sources/Extensions/CAShapeLayer+Helpers.swift	100% <ø> (ø)	⬆️

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[yacir]

@phimage Thx for your contribution.