Bump version to 0.22.0

Author: grega

bench/results.csv

@@ -239,3 +239,11 @@ timestamp,version,machine,fixture,lines,median_ms
 2026-03-27T08:39:03Z,0.21.1,Apple_M1_Pro_8c,large_picker,439,103.7
 2026-03-27T08:39:03Z,0.21.1,Apple_M1_Pro_8c,stress,561,112.4
 2026-03-27T08:39:03Z,0.21.1,Apple_M1_Pro_8c,stress_picker,561,114.6
+2026-03-27T12:23:18Z,0.22.0,Apple_M1_Pro_8c,small,21,21.7
+2026-03-27T12:23:18Z,0.22.0,Apple_M1_Pro_8c,small_picker,21,29.1
+2026-03-27T12:23:18Z,0.22.0,Apple_M1_Pro_8c,medium,164,49.4
+2026-03-27T12:23:18Z,0.22.0,Apple_M1_Pro_8c,medium_picker,164,60.0
+2026-03-27T12:23:18Z,0.22.0,Apple_M1_Pro_8c,large,439,102.8
+2026-03-27T12:23:18Z,0.22.0,Apple_M1_Pro_8c,large_picker,439,112.5
+2026-03-27T12:23:18Z,0.22.0,Apple_M1_Pro_8c,stress,561,115.6
+2026-03-27T12:23:18Z,0.22.0,Apple_M1_Pro_8c,stress_picker,561,122.2