ci: Get ready for the upcoming branch 'libpng18'
doc: Update the README and TODO files
doc: Make a small correction about branches in the libpng manual
ci: Fix bad (but innocuous) copy pasta in ci_verify_version.sh
oss-fuzz: Transfer to an external repo and remove from this repo
Bump version to 1.6.45.git
Release libpng version 1.6.44
chore: Rerun `./autogen.sh --maintainer`