Add dependencies to the Windows sandbox service (#45520)

Add `base64` and `serde_json` as workspace dependencies of
`codex-windows-sandbox-service` and update `Cargo.lock`. Temporarily exclude
both dependencies from `cargo-shear` checks until they are used.

GitOrigin-RevId: f77a0ba13cfa9ba2315dcf00a80163afff32d0b4

codex-rs/Cargo.lock

@@ -5219,11 +5219,13 @@ name = "codex-windows-sandbox-service"
 version = "0.0.0"
 dependencies = [
  "anyhow",
+ "base64 0.22.1",
  "codex-cloud-config",
  "codex-config",
  "codex-core",
  "codex-windows-sandbox",
  "pretty_assertions",
+ "serde_json",
  "tokio",
  "toml 0.9.11+spec-1.1.0",
  "windows 0.58.0",

codex-rs/windows-sandbox-service/Cargo.toml

@@ -16,12 +16,18 @@ path = "src/main.rs"
 [lints]
 workspace = true
 
+# Temporary until #8415 adds the cleanup implementation that uses these dependencies.
+[package.metadata.cargo-shear]
+ignored = ["base64", "serde_json"]
+
 [dependencies]
 anyhow = { workspace = true }
+base64 = { workspace = true }
 codex-cloud-config = { workspace = true }
 codex-config = { workspace = true }
 codex-core = { workspace = true }
 codex-windows-sandbox = { workspace = true }
+serde_json = { workspace = true }
 tokio = { workspace = true, features = ["macros", "rt", "sync", "time"] }
 toml = { workspace = true }