Update TODO.md

Author: banderlog

TODO.md

@@ -4,7 +4,7 @@
 + add [OpenCV's Apache 2 license](https://github.com/opencv/opencv/blob/master/LICENSE) into python package
 + remove `LICENSE-INTEL`, `LICENSE-3RD-PARTY`
 + check JIT speed
-+ OpenBLAS 0.3.11 version
++ OpenBLAS 0.3.12 version
 + do we still need `sudo ln -s  /usr/bin/python3 /usr/bin/python`?
 + add Ubuntu version check in tests
 + Make `git clone` for submodules faster