fix(deps): upgrade git2 to 0.21.0

Cargo.lock

@@ -3332,15 +3332,14 @@ checksum = "e629b9b98ef3dd8afe6ca2bd0f89306cec16d43d907889945bc5d6687f2f13c7"
 
 [[package]]
 name = "git2"
-version = "0.20.4"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b88256088d75a56f8ecfa070513a775dd9107f6530ef14919dac831af9cfe2b"
+checksum = "ddddbf932745a6be37109b6112d3ee09696106f848449069d3a57bba937ab82e"
 dependencies = [
  "bitflags 2.11.1",
  "libc",
  "libgit2-sys",
  "log",
- "url",
 ]
 
 [[package]]

third_party/gpui_support/gpui_util/Cargo.toml

@@ -66,7 +66,7 @@ version = "0.3"
 version = "1.13"
 
 [dependencies.git2]
-version = "0.20.1"
+version = "0.21.0"
 optional = true
 default-features = false
 
@@ -142,7 +142,7 @@ version = "2.5"
 version = "6.0.0"
 
 [dev-dependencies.git2]
-version = "0.20.1"
+version = "0.21.0"
 default-features = false
 
 [dev-dependencies.indoc]