Enhancement (generate): Improve clarity of default value for `RELEASE_TAG_REF` in `.vscode/tasks.json` #159

Job	Run time
test-powershell-5-1-windows-2019	3m 30s
test-powershell-5-1-windows-2022	2m 51s
test-powershell-6-2-container	17s
test-powershell-6-1-container	18s
test-powershell-7-0-container	15s
test-powershell-7-2-container	17s
test-powershell-7-1-container	15s
test-powershell-7-3-container	23s
test-powershell-7-4-container	14s
test-powershell-core-linux	2m 12s
test-powershell-core-macos	1m 24s
test-powershell-core-windows	2m 23s
	14m 19s

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