use fixed version of: node:14.19.1 in .gitlab-ci.yml

4 jobs for nxc-version-update in 3 minutes and 35 seconds (queued for 7 seconds)
Name Stage Failure
compiling Compiling
32 errors have detailed information that is not shown.
Use 'stats.errorDetails: true' resp. '--stats-error-details' to show it.

webpack 5.58.2 compiled with
32 errors in 22363 ms
 ELIFECYCLE  Command failed with exit code 1.
Makefile:17: recipe for target 'build-js' failed
make: *** [build-js] Error 1
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1