Introduce a single SBOM document (#606)

* [wip] single sbom doc

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

* fix tests

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

* fix more tests

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

* fix linting

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

* update cli tests

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

* remove scope in import path

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

* swap SPDX tag-value formatter to single sbom document

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

* bust CLI cache

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

* update fixture to byte diff

Signed-off-by: Christopher Angelo Phillips <christopher.phillips@anchore.com>

* byte for byte

Signed-off-by: Christopher Angelo Phillips <christopher.phillips@anchore.com>

* bust the cache

Signed-off-by: Christopher Angelo Phillips <christopher.phillips@anchore.com>

* who needs cache

Signed-off-by: Christopher Angelo Phillips <christopher.phillips@anchore.com>

* add jar for testing

Signed-off-by: Christopher Angelo Phillips <christopher.phillips@anchore.com>

* no more bit flips

Signed-off-by: Christopher Angelo Phillips <christopher.phillips@anchore.com>

* update apk with the delta for image and directory cases

Signed-off-by: Christopher Angelo Phillips <christopher.phillips@anchore.com>

* restore cache workflow

Signed-off-by: Christopher Angelo Phillips <christopher.phillips@anchore.com>

Co-authored-by: Christopher Angelo Phillips <christopher.phillips@anchore.com>

test/integration/test-fixtures/image-pkg-coverage/lib/apk/db/installed

@@ -46,4 +46,4 @@ a:0:0:755
 Z:Q1dAdYK8M/INibRQF5B3Rw7cmNDDA=
 R:getent
 a:0:0:755
-Z:Q1eR2Dz/WylabgbWMTkd2+hGmEya4=
+Z:Q1eR2Dz/WylabgbWMTkd2+hGmEya4=