chore(release): bump version to 0.2.0

Author: YinMo19

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "ptracehook"
-version = "0.1.0-alpha.1"
+version = "0.2.0"
 edition = "2024"
 rust-version = "1.85"
 description = "Out-of-process ptrace hook framework for Linux (x86_64/aarch64 runtime)"

Cargo.toml

@@ -2,7 +2,7 @@
 
 `ptracehook` is an out-of-process runtime hook framework for Linux targets.
 
-Current release line (`0.1.0-alpha.x`) supports both Linux architectures:
+Current release line (`0.2.x`) supports both Linux architectures:
 
 - Linux `x86_64`: usable runtime implementation (spawn/attach + software breakpoints + callbacks)
 - Linux `aarch64`: usable runtime implementation (spawn/attach + software breakpoints + callbacks)
@@ -11,7 +11,7 @@ Unlike in-process signal/trap hook crates, `ptracehook` is designed for scenario
 
 ## Current status
 
-- Public API surface is drafted and Linux runtime core is partially implemented.
+- Public API is stable for the current release line and Linux runtime core is implemented.
 - Linux `x86_64` now includes:
   - spawn/attach session flow,
   - software breakpoint install/restore/reinsert loop,