* Hold the package-lock.json at the lockfileVersion 2 level, which mandates node 16.
* Add metafile check, making sure nobody commits package-lock file with an ancient npm.
* Update lock file.

* Update versioning scheme to on-the-fly inject a correct version for build.

* Add npm targets for version fake/real stamping.

* Update version-stamp with creating a real version in package.json

* Move a package.json logic to a function in script-util.

* Update printouts.

* When building, use a timestamp of a last git commit, NOT the current time.

This reverts commit 4703b67a.