Update release notes for 0.13.0-next.2

Author: rkalis

website/docs/releases/release-notes.md

@@ -2,16 +2,18 @@
 title: Release Notes
 ---
 
-## v0.13.0-next.1
+## v0.13.0-next.2
 
 #### cashc compiler
 - :sparkles: Add support for `do {} while ()` loops.
+- :sparkles: Add support for bitwise and arithmetic shift operators (`<<`, `>>`) and bitwise inversion (`~`).
 - :racehorse: Add optimisations for negated number comparisons.
 
 #### CashScript SDK
 
 - :sparkles: Add support for `do {} while ()` loops in debug tooling.
 - :hammer_and_wrench: Update default VM target to `BCH_2026_05`.
+- :hammer_and_wrench: Improve package size by tidying up dependencies.
 
 ## v0.12.1