Upgrade "actions/*" versions to latest in action (#11) #23

Job	Run time
Discover Languages with CodeQL Unit Tests	47s
Use `qlt` to run unit tests for language=csharp	3m 56s
Use `qlt` to run unit tests for language=java	7m 26s
Use `qlt` to run unit tests for language=javascript	9m 12s
Use `qlt` to run unit tests for language=go	6m 18s
Use `qlt` to run unit tests for language=cpp	4m 42s
Use `qlt` to run unit tests for language=ruby	6m 0s
Use `qlt` to run unit tests for language=python	4m 2s
Validate test results	19s
	42m 42s

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