[v0.12] Reduce ticks per second (#3287)

* Reduce ticks per second

- It's improving TPS. Temp fix for beacons timeframe

* Fix confirmation test

sdk/src/timing.rs

@@ -2,7 +2,7 @@
 use std::time::Duration;
 use std::time::{SystemTime, UNIX_EPOCH};
 
-pub const NUM_TICKS_PER_SECOND: u64 = 100;
+pub const NUM_TICKS_PER_SECOND: u64 = 10;
 
 // At 10 ticks/s, 8 ticks per slot implies that leader rotation and voting will happen
 // every 800 ms. A fast voting cadence ensures faster finality and convergence