bump up libs and hooks versions for 1.9.7 release
script: ./tools/bump-lib-versions.sh Kea-q.w.e Kea-a.b.c (where a.b.c is the version to be released and q.w.e is the version previous to that)
script: ./tools/bump-lib-versions.sh Kea-q.w.e Kea-a.b.c (where a.b.c is the version to be released and q.w.e is the version previous to that)