Pin the version of Node used in GHA  (#10410)
Pin the version of Node used in GHA  (#10410)

* Run debugger tests with python 3.8
* Comment saved line
* Try with python 3.7
* Which version of node is this
* Use node 12.4.0
* Try another Node version
* Try Node 12.14.1
* Add comment, test node 16.0
* Try Node 12.15.0
* Found last working Node version, uncomment tests
* Guess who's blind
* Add link to the GH issue tracking TS DA cleanup

DonJayamanne/pythonVSCode,DonJayamanne/pythonVSCode,DonJayamanne/pythonVSCode,DonJayamanne/pythonVSCode,DonJayamanne/pythonVSCode