[determinism] Read files from local git repo in .Files.Get and .Files.Glob go-templates directives in the determinism mode
[determinism] Read files from local git repo in .Files.Get and .Files.Glob go-templates directives in the determinism mode

.Files.Get and .Files.Glob now raises an error when specified files has not been found.

Fixes https://github.com/werf/werf/issues/2895
Refs https://github.com/werf/werf/issues/2874

flant/dapp,flant/dapp,flant/dapp