feat: add initial dotnet-support (#951)

* feat: add initial dotnet-support

Signed-off-by: Christian Kotzbauer <git@ckotzbauer.de>

* fix: add path, sha512 and hashpath

Signed-off-by: Christian Kotzbauer <git@ckotzbauer.de>

* fix: add missing dot

Signed-off-by: Christian Kotzbauer <git@ckotzbauer.de>

* fix: lint warnings

Signed-off-by: Christian Kotzbauer <git@ckotzbauer.de>

* fix CLI test package counts to account for dotnet

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* fix: updated packagurl-go

Signed-off-by: Christian Kotzbauer <git@ckotzbauer.de>

* tidy go.sum

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* update json schema

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

Co-authored-by: Alex Goodman <alex.goodman@anchore.com>

syft/pkg/cataloger/cataloger.go

@@ -11,6 +11,7 @@ import (
 	"github.com/anchore/syft/syft/pkg/cataloger/apkdb"
 	"github.com/anchore/syft/syft/pkg/cataloger/dart"
 	"github.com/anchore/syft/syft/pkg/cataloger/deb"
+	"github.com/anchore/syft/syft/pkg/cataloger/dotnet"
 	"github.com/anchore/syft/syft/pkg/cataloger/golang"
 	"github.com/anchore/syft/syft/pkg/cataloger/java"
 	"github.com/anchore/syft/syft/pkg/cataloger/javascript"
@@ -44,6 +45,7 @@ func ImageCatalogers(cfg Config) []Cataloger {
 		java.NewJavaCataloger(cfg.Java()),
 		apkdb.NewApkdbCataloger(),
 		golang.NewGoModuleBinaryCataloger(),
+		dotnet.NewDotnetDepsCataloger(),
 	}
 }
 
@@ -63,6 +65,7 @@ func DirectoryCatalogers(cfg Config) []Cataloger {
 		golang.NewGoModFileCataloger(),
 		rust.NewCargoLockCataloger(),
 		dart.NewPubspecLockCataloger(),
+		dotnet.NewDotnetDepsCataloger(),
 	}
 }
 
@@ -83,5 +86,6 @@ func AllCatalogers(cfg Config) []Cataloger {
 		golang.NewGoModFileCataloger(),
 		rust.NewCargoLockCataloger(),
 		dart.NewPubspecLockCataloger(),
+		dotnet.NewDotnetDepsCataloger(),
 	}
 }