rubocops: xcodebuild needs an Xcode dependency

[cho-m]

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Since xcodebuild isn't part of CLT so build will fail.

Should be okay on Linux as depends_on :xcode/depends_on xcode: ... is a no-op.

Seperately, may look into either setting DEVELOPER_DIR or using absolute path to Xcode.app since xcode-select --switch /Library/Developer/CommandLineTools will cause build to fail, e.g.

❯ DEVELOPER_DIR=/Applications/Xcode.app xcodebuild --help 2>&1 | head -1
Usage: xcodebuild [-project <projectname>] [[-target <targetname>]...|-alltargets] [-configuration <configurationname>] [-arch <architecture>]... [-sdk [<sdkname>|<sdkpath>]] [-showBuildSettings [-json]] [<buildsetting>=<value>]... [<buildaction>]...

~
❯ DEVELOPER_DIR=/Library/Developer/CommandLineTools xcodebuild --help 2>&1 | head -1
xcode-select: error: tool 'xcodebuild' requires Xcode, but active developer directory '/Library/Developer/CommandLineTools' is a command line tools instance

[MikeMcQuaid]

Thanks again @cho-m!