Update latest versions for most dependencies

[ZakarFin]

Some can't be updated without updating to Webpack 5 which at least previously didn't work with Cesium (didn't try now as it requires updates on our plugins as well). Still has some non-updated parts and requires more testing.

Note! Updating webpack-cli also requires changing --env.appdef=applications to --env=appdef=applications on (sample-)application build/start scripts.

Note2! The build process is even slower with the newer version for some reason.

[ZakarFin]

Could try downgrading file-loader back to original version since looks like it's the main culprit for breaking mapmodule.getImageUrl() (some images for plugins are not shown with current config).