Update SPDX list to 3.17 for bitream license

Adopt new SPDX Bitream-Vera as the standard SPDX id and move our
LicenseRef-scancode-bitream to the "other_spdx_klicense_keys"

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

Author: pombredanne

src/licensedcode/data/licenses/bitstream.yml

@@ -4,7 +4,9 @@ name: Bitstream Vera Font License
 category: Permissive
 owner: Bitstream
 homepage_url: http://www.gnome.org/fonts/#Final_Bitstream_Vera_Fonts
-spdx_license_key: LicenseRef-scancode-bitstream
+spdx_license_key: Bitstream-Vera
+other_spdx_license_keys:
+    - LicenseRef-scancode-bitstream
 text_urls:
     - http://www.gnome.org/fonts/#Final_Bitstream_Vera_Fonts
 minimum_coverage: 50