Update git2 to 0.21 across crates (#2962)

* Update git2 to 0.21 across crates

* Use feature https for git2

* Apply clippy suggestions

* Run cargo fmt

* Apply clippy suggestions

Cargo.lock

@@ -1273,9 +1273,9 @@ dependencies = [
 
 [[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 2.10.0",
  "libc",
@@ -2606,13 +2606,12 @@ checksum = "bcc35a38544a891a5f7c865aca548a982ccb3b8650a5b06d0fd33a10283c56fc"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.18.3+1.9.2"
+version = "0.18.5+1.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9b3acc4b91781bb0b3386669d325163746af5f6e4f73e6d2d630e09a35f3487"
+checksum = "005d6ae6eac1912906073e069f7db60b1fa98e052a68227824afe3e3a1c59ca2"
 dependencies = [
  "cc",
  "libc",
- "libssh2-sys",
  "libz-sys",
  "openssl-sys",
  "pkg-config",
@@ -2635,20 +2634,6 @@ dependencies = [
  "redox_syscall",
 ]
 
-[[package]]
-name = "libssh2-sys"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "220e4f05ad4a218192533b300327f5150e809b54c4ec83b5a1d91833601811b9"
-dependencies = [
- "cc",
- "libc",
- "libz-sys",
- "openssl-sys",
- "pkg-config",
- "vcpkg",
-]
-
 [[package]]
 name = "libz-sys"
 version = "1.1.21"
@@ -2988,9 +2973,9 @@ checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
 [[package]]
 name = "openssl-probe"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
+checksum = "d05e27ee213611ffe7d6348b942e8f942b37114c00cc03cec254295a4a17852e"
 
 [[package]]
 name = "openssl-src"