fix(cli): replace shell-based update with native Rust implementation (#7148)

Signed-off-by: JF <john.franklin@gmail.com>
Co-authored-by: JF <john.franklin@gmail.com>
Co-authored-by: Jack Amadeo <jackamadeo@squareup.com>

Cargo.lock

@@ -1524,6 +1524,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "bzip2"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49ecfb22d906f800d4fe833b6282cf4dc1c298f5057ca0b5445e5c209735ca47"
+dependencies = [
+ "bzip2-sys",
+]
+
 [[package]]
 name = "bzip2-sys"
 version = "0.1.13+1.0.8"
@@ -3518,6 +3527,7 @@ checksum = "843fba2746e448b37e26a819579957415c8cef339bf08564fe8b7ddbd959573c"
 dependencies = [
  "crc32fast",
  "miniz_oxide",
+ "zlib-rs",
 ]
 
 [[package]]
@@ -4309,6 +4319,7 @@ dependencies = [
  "axum 0.8.8",
  "base64 0.22.1",
  "bat",
+ "bzip2 0.5.2",
  "chrono",
  "clap",
  "clap_complete",
@@ -4327,6 +4338,7 @@ dependencies = [
  "open",
  "rand 0.8.5",
  "regex",
+ "reqwest 0.12.28",
  "rmcp 0.15.0",
  "rustyline",
  "serde",
@@ -4347,6 +4359,7 @@ dependencies = [
  "uuid",
  "webbrowser",
  "winapi",
+ "zip 8.1.0",
 ]
 
 [[package]]
@@ -12460,7 +12473,7 @@ checksum = "760394e246e4c28189f19d488c058bf16f564016aefac5d32bb1f3b51d5e9261"
 dependencies = [
  "aes",
  "byteorder",
- "bzip2",
+ "bzip2 0.4.4",
  "constant_time_eq 0.1.5",
  "crc32fast",
  "crossbeam-utils",
@@ -12501,6 +12514,26 @@ dependencies = [
  "typed-path",
 ]
 
+[[package]]
+name = "zip"
+version = "8.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e499faf5c6b97a0d086f4a8733de6d47aee2252b8127962439d8d4311a73f72"
+dependencies = [
+ "crc32fast",
+ "flate2",
+ "indexmap 2.13.0",
+ "memchr",
+ "typed-path",
+ "zopfli",
+]
+
+[[package]]
+name = "zlib-rs"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a33bbf307b25a1774cee0687694ec72fa7814b3ab5c1c12a9d2fc6a36fc439c"
+
 [[package]]
 name = "zmij"
 version = "1.0.20"