[CI] Add RelWithDebInfo mode to Linux (#6555)
[CI] Add RelWithDebInfo mode to Linux (#6555)

* [CI] Add RelWithDebInfo mode to Linux

Use 'matrix' to run the same build and test steps with debug and release withe debug symbols.

* Missed 'strategy'

* Still perform full build before test
Microsoft/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore