Update SDK version to 0.15.0-rc.6 (#72) #57

Job	Run time
Check for version change	5s
release / verify-sdk-version	3s
release / gh-release / Verify arguments	1s
release / gh-release / Capture.aar with artifacts	10m 21s
release / gh-release / Linux x86_64 libcapture.so	3m 56s
release / gh-release / arm64 libcapture.dylib	5m 14s
release / gh-release / x86_64 libcapture.dylib	5m 15s
release / gh-release / Capture.xcframework with artifacts	9m 40s
release / gh-release / build-android-example-apps / Build & upload	4m 45s
release / gh-release / Build Capture Timber / Build Capture Timber	1m 50s
release / gh-release / build-android-example-apps / Print arguments	1s
release / gh-release / build-ios-example-apps / Build & upload	10m 1s
release / gh-release / build-ios-example-apps / Print arguments	1s
release / gh-release / GitHub release	20s
release / public-release / Upload Android artifacts to dl.bitdrift.io	1m 42s
release / public-release / Upload iOS artifacts to dl.bitdrift.io	11s
release / capture-ios-release / release-capture-ios	1s
	53m 27s

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