Accept Photon Linux in docker and rootfs pipelines

Signed-off-by: Philippe Ombredanne <[email protected]>

Author: pombredanne

CHANGELOG.rst

@@ -18,6 +18,9 @@
   calling XlsxWriter and report and error if the truncated can be truncated.
   https://github.com/nexB/scancode.io/issues/206
 
+- Add support for VMWare Photon-based Docker images and rootfs. This is an RPM-based
+  Linux distribution
+
 ### v21.6.10
 
 - Add support for VM image formats extraction such as VMDK, VDI and QCOW.
@@ -294,4 +297,4 @@
 
 ### v1.0.0 (2020-09-09)
 
-- Initial release
+- Initial release