Update rinutils to 0.10.0
Changes:
- Fix the filenames in the comments of **.h and add SPDX identifiers
- Add -DINSTALL_TO_DATADIR=… in CMakeLists.txt
- Made the WITH_TEST_SUITE option off by default to avoid depending on cmocka
- Convert the cmake build sys to INCLUDE(GNUInstallDirs)
- Remove unused code and other cleanups