add env variables and keychain for GHCR publish (anchore#843)

Add new matcher files for golang => remove main module FP matches (an…

…chore#829)

bump syft version to v0.51.0 (anchore#822)

update syft to v0.50.0 (anchore#818)

update syft => v0.49.0 (anchore#804)

update grype to latest syft patch v0.48.1 (anchore#790)

update syft version to v0.47.0 (anchore#781)

bump to syft v0.46.2 (anchore#755)

Signed-off-by: Alex Goodman <[email protected]>

Add syft v0.46.0 Dotnet support (anchore#747)

address excessive warnings from multiple sources (anchore#741)