Fix incorrect vDSP function call in SIMDImageProcessor.invertPixels (… #65

Job	Run time
Test on macOS (15.2)	17s
Code Quality Checks	11s
Build Documentation	14s
Validate Platform Support (platform=macOS)	22s
Validate Platform Support (platform=visionOS Simulator,name=Apple Vision Pro,OS=1.0)	20s
Validate Platform Support (platform=iOS Simulator,name=iPhone 15 Pro,OS=17.2)	29s
Security Scan	7s
Test on macOS (15.3)	1s
CI Summary	2s
	2m 3s

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