v0.29.1

Hecke v0.29.1

Diff since v0.29.0

Merged pull requests:

• feat: enumerate fields with given conductors (#1412) (@thofma)
• Remove outdated linear solving code (#1413) (@joschmitt)
• feat: improve matrix algebra code (#1415) (@thofma)
• feat: improve radical code (#1416) (@thofma)
• Tweak generic_group docstring (#1418) (@fingolfin)
• Revert "Remove outdated linear solving code" (#1419) (@thofma)
• Revert the revert + Nemo update (#1420) (@joschmitt)
• feat: add absolute_coordinates for valuation rings (#1421) (@thofma)