Update to git2 0.20.1 (#26972)

Switch back to git2 releases after
https://github.com/rust-lang/git2-rs/pull/1120 got merged in 0.20.1

Release Notes:

- N/A

Cargo.lock

@@ -5486,8 +5486,9 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.20.0"
+version = "0.20.1"
-source = "git+https://github.com/rust-lang/git2-rs?rev=a3b90cb3756c1bb63e2317bf9cfa57838178de5c#a3b90cb3756c1bb63e2317bf9cfa57838178de5c"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5220b8ba44c68a9a7f7a7659e864dd73692e417ef0211bea133c7b74e031eeb9"
 dependencies = [
  "bitflags 2.8.0",
  "libc",
@@ -7428,8 +7429,9 @@ dependencies = [
 
 [[package]]
 name = "libgit2-sys"
-version = "0.18.0+1.9.0"
+version = "0.18.1+1.9.0"
-source = "git+https://github.com/rust-lang/git2-rs?rev=a3b90cb3756c1bb63e2317bf9cfa57838178de5c#a3b90cb3756c1bb63e2317bf9cfa57838178de5c"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1dcb20f84ffcdd825c7a311ae347cce604a6f084a767dec4a4929829645290e"
 dependencies = [
  "cc",
  "libc",

Cargo.toml

@@ -421,8 +421,7 @@ fork = "0.2.0"
 futures = "0.3"
 futures-batch = "0.6.1"
 futures-lite = "1.13"
-# TODO: get back to regular versions when https://github.com/rust-lang/git2-rs/pull/1120 is released
+git2 = { version = "0.20.1", default-features = false }
-git2 = { git = "https://github.com/rust-lang/git2-rs", rev = "a3b90cb3756c1bb63e2317bf9cfa57838178de5c", default-features = false }
 globset = "0.4"
 handlebars = "4.3"
 heed = { version = "0.21.0", features = ["read-txn-no-tls"] }