dtw-python: Add version 1.8.1 (#2794)

Signed-off-by: riseproject-dev[bot] <330740410+riseproject-dev[bot]@users.noreply.github.com>
Co-authored-by: riseproject-dev[bot] <330740410+riseproject-dev[bot]@users.noreply.github.com>

Author: riseproject-dev[bot]

docs/packages/dtw-python.yaml

@@ -17,3 +17,4 @@ versions:
   - filename: dtw_python-1.7.5-cp314-cp314t-manylinux_2_31_riscv64.manylinux_2_39_riscv64.whl
     sha256: d1967a4789d2695b648b0b0808c995087ad52b2a885baa1fd076d96016e68275
     requires-python: '>=3.9'
+- version: 1.8.1