Scripted diff:
```
s() { contrib/devtools/copyright_header.py insert "$1"; }
s contrib/devtools/circular-dependencies.py
s doc/man/gen-manpages.sh
s cmake/utils/filter-lcov.py
s contrib/gitian-build.py
s src/crypto/sha256_avx2.cpp
s src/crypto/sha256_sse41.cpp
s src/qt/test/addressbooktests.cpp
s src/qt/test/addressbooktests.h
s src/qt/test/util.cpp
s src/qt/test/util.h
s src/qt/test/wallettests.cpp
s src/qt/test/wallettests.h
s src/test/blockchain_tests.cpp
s test/functional/combine_logs.py
```
This is a backport of [[https://github.com/bitcoin/bitcoin/pull/17691 | core#17691]] [2/2]
Before:
```
$ ./contrib/devtools/copyright_header.py report . | grep zero
53 with zero copyrights
```
After:
```
$ ./contrib/devtools/copyright_header.py report . | grep zero
43 with zero copyrights
```