Teach configure to find Python 3.9 and 3.10
FreeBSD does not have python3 symlink, and ./configure relies on finding python3.X binaries instead.
Fixes breakages with recent FreeBSD 12.3 image update where Python 3.9 modules were introduced.
FreeBSD does not have python3 symlink, and ./configure relies on finding python3.X binaries instead.
Fixes breakages with recent FreeBSD 12.3 image update where Python 3.9 modules were introduced.