style: Fix various FURB (small count)

[echoix]

I batched some FURB rules that had low occurrences into one PR

• style: Fix reimplemented-starmap (FURB140)
  • Ruff rule: https://docs.astral.sh/ruff/rules/reimplemented-starmap/
• style: Fix delete-full-slice (FURB131)
  • Ruff rule: https://docs.astral.sh/ruff/rules/delete-full-slice/
• style: Fix unnecessary-enumerate (FURB148)
  • Ruff rule: https://docs.astral.sh/ruff/rules/unnecessary-enumerate
• style: Fix for-loop-set-mutations (FURB142)
  • Ruff rule: https://docs.astral.sh/ruff/rules/for-loop-set-mutations
• style: Fix single-item-membership-test (FURB171)
  • Ruff rule: https://docs.astral.sh/ruff/rules/single-item-membership-test

[ninsbl]

Looks good!