Round volume to be pipette-compatible
Examples
make_pipette_vol(104.13398)
#> [1] 104.2
make_pipette_vol(15.3331)
#> [1] 15.34
make_pipette_vol(9.9211)
#> [1] 9.92
# Vectorized:
make_pipette_vol(c(104.13398, 15.3331, 9.9211, NA, -100.1))
#> [1] 104.20 15.34 9.92 NA -100.00