62428ae59b
We don't need to evaluate escape sequences, we should instead read them
verbatim.
Fixes issues like:
bin/ci/update_traces_checksum.py:45: DeprecationWarning: invalid escape sequence '\.'
bin/ci/update_traces_checksum.py:45: DeprecationWarning: invalid escape sequence '\ '
bin/ci/update_traces_checksum.py:45: DeprecationWarning: invalid escape sequence '\;'
bin/ci/update_traces_checksum.py:45: DeprecationWarning: invalid escape sequence '\_'
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37215>