Align license and tests with latest copyright

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

src/licensedcode/data/licenses/first-epss-usage.LICENSE

@@ -7,11 +7,11 @@ owner: FIRST
 homepage_url: https://www.first.org/epss/#Usage-Agreement
 spdx_license_key: LicenseRef-scancode-first-epss-usage
 ignorable_authors:
-    - a volunteer group of researchers
+    - volunteer group of researchers
 ignorable_urls:
     - https://www.first.org/epss
 ---
 
 Usage Agreement
 
-EPSS is an emerging standard developed by a volunteer group of researchers, practitioners, academics and government personnel. We grant the use of EPSS scores freely to the public, subject to the conditions below. We reserve the right to update the model and these webpages periodically, as necessary, though we will make every attempt to provide sufficient notice to users in the event of material changes. While membership in the EPSS SIG is not required to use or implement EPSS, however, we ask that if you are using EPSS, that you provide appropriate attribution where possible. EPSS can be cited either from this website (e.g. "See EPSS at https://www.first.org/epss), or as: Jay Jacobs, Sasha Romanosky, Benjamin Edwards, Michael Roytman, Idris Adjerid, (2021), Exploit Prediction Scoring System, Digital Threats Research and Practice, 2(3)
+EPSS is an emerging standard developed by a volunteer group of researchers, practitioners, academics and government personnel. We grant the use of EPSS scores freely to the public, subject to the conditions below. We reserve the right to update the model and these webpages periodically, as necessary, though we will make every attempt to provide sufficient notice to users in the event of material changes. While membership in the EPSS SIG is not required to use or implement EPSS, however, we ask that if you are using EPSS, that you provide appropriate attribution where possible. EPSS can be cited either from this website (e.g. "See EPSS at https://www.first.org/epss), or as: Jay Jacobs, Sasha Romanosky, Benjamin Edwards, Michael Roytman, Idris Adjerid, (2021), Exploit Prediction Scoring System, Digital Threats Research and Practice, 2(3)

tests/cluecode/data/authors/author_russ_c-c.c.yml

@@ -4,7 +4,9 @@ what:
   - copyrights
   - holders
 copyrights:
+  - Russ Dill <Russ.Dill@asu.edu> 2001-2003
   - Vladimir Oleynik <dzo@simtreas.ru> (c) 2003
 holders:
+  - Russ Dill
   - Vladimir Oleynik
 notes: these are detected as copyrights, not authors

tests/cluecode/data/copyrights/name_before_c-c.c.yml

@@ -3,9 +3,14 @@ what:
   - holders
   - holders_summary
 copyrights:
+  - Russ Dill <Russ.Dill@asu.edu> 2001-2003
   - Vladimir Oleynik <dzo@simtreas.ru> (c) 2003
 holders:
+  - Russ Dill
   - Vladimir Oleynik
 holders_summary:
+  - value: Russ Dill
+    count: 1
   - value: Vladimir Oleynik
     count: 1
+