chore: upgrade Rust dependencies across all tools

Upgraded dependencies based on dependabot PRs:

**Core Dependencies:**
- anyhow: 1.0.99 → 1.0.100
- clap: 4.5.47 → 4.5.48 (and 4.0 → 4.5 for wasm_embed_aot)
- tempfile: 3.22.0 → 3.23.0
- serde: 1.0.223 → 1.0.228
- regex: 1.11.2 → 1.11.3
- chrono: 0.4.41 → 0.4.42

**WebAssembly Tooling:**
- wasm-encoder: 0.237/0.239 → 0.240
- wasmparser: 0.237/0.239 → 0.240
- wit-parser: 0.237/0.239 → 0.240
- wit-component: 0.239 → 0.240
- wat: 1.239 → 1.240

**Other:**
- octocrab: 0.45 → 0.46

**Modified Tools:**
- tools/checksum_updater
- tools/ssh_keygen
- tools/wasm_embed_aot
- tools/wizer_initializer
- tools-builder/toolchains

All builds verified successful.

Author: avrabe

MODULE.bazel.lock

@@ -16,10 +16,10 @@ env_logger = "0.11"
 log = "0.4"
 
 # WebAssembly parsing and manipulation
-wasmparser = "0.237"
-wasm-encoder = "0.237"
-wat = "1.239"
+wasmparser = "0.240"
+wasm-encoder = "0.240"
+wat = "1.240"
 
 # Component model support
-wit-parser = "0.237"
-wit-component = "0.239"
+wit-parser = "0.240"
+wit-component = "0.240"

tools-builder/toolchains/Cargo.lock

@@ -29,7 +29,7 @@ regex = "1.11"
 futures = "0.3"
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
-tempfile = "3.22"
+tempfile = "3.23"
 async-trait = "0.1"
 wit-bindgen = "0.46.0"  # WIT binding generation for macro usage
 uuid = { version = "1.18", default-features = false }  # UUID generation for user service (deterministic, no getrandom dependency)

tools-builder/toolchains/Cargo.toml

@@ -13,7 +13,7 @@ rand = "0.8"
 # rand_core will be resolved transitively to 0.6 (compatible with ssh-key)
 
 [dev-dependencies]
-tempfile = "3.22"
+tempfile = "3.23"
 
 [[bin]]
 name = "ssh-keygen"

tools/checksum_updater/Cargo.lock

@@ -9,7 +9,7 @@ path = "src/main.rs"
 
 [dependencies]
 anyhow = "1.0"
-clap = { version = "4.0", features = ["derive"] }
-wasm-encoder = "0.239"
-wasmparser = "0.239"
+clap = { version = "4.5", features = ["derive"] }
+wasm-encoder = "0.240"
+wasmparser = "0.240"
 wit-bindgen = "0.46.0"