Remove winnow from gix-actor public API

[Sebastian Thiel (Byron)]

It's too easy to not detect winnow updates as a breaking change, and then make patch releases that break existing builds.

Tasks

• remove winnow from gix-actor (as breaking change) + refackiew
• remove it everywhere else
• re-release gix as v0.83 naturally.
• yank v0.82 and gix-actor 0.40.1 to unbreak v0.81

Benches

It turns out that removing winnow leads to a simpler but faster parser implementation, and it's probably one that I can maintain as well.

Gnuplot not found, using plotters backend
CommitRef(sig)          time:   [586.25 ns 587.91 ns 589.57 ns]
                        change: [−0.3843% −0.0407% +0.2820%] (p = 0.81 > 0.05)
                        No change in performance detected.
Found 1 outliers among 100 measurements (1.00%)
  1 (1.00%) high mild

CommitRefIter(sig)      time:   [659.49 ns 661.38 ns 663.30 ns]
                        change: [−2.7568% −1.7906% −0.9377%] (p = 0.00 < 0.05)
                        Change within noise threshold.

TagRef(sig)             time:   [87.066 ns 87.621 ns 88.194 ns]
                        change: [−9.8364% −9.3431% −8.8210%] (p = 0.00 < 0.05)
                        Performance has improved.
Found 9 outliers among 100 measurements (9.00%)
  8 (8.00%) high mild
  1 (1.00%) high severe

TagRefIter(sig)         time:   [116.69 ns 117.66 ns 118.57 ns]
                        change: [−7.7757% −7.2615% −6.7593%] (p = 0.00 < 0.05)
                        Performance has improved.
Found 11 outliers among 100 measurements (11.00%)
  11 (11.00%) high mild

TreeRef()               time:   [60.310 ns 60.455 ns 60.601 ns]
                        change: [−0.9553% −0.5936% −0.2337%] (p = 0.00 < 0.05)
                        Change within noise threshold.

TreeRefIter()           time:   [27.065 ns 27.146 ns 27.238 ns]
                        change: [−8.5788% −7.2494% −6.0198%] (p = 0.00 < 0.05)
                        Performance has improved.
Found 5 outliers among 100 measurements (5.00%)
  4 (4.00%) high mild
  1 (1.00%) high severe