Use proper git URL for GitHub repos

It can be seen in the following link that a git repo URL from GitHub should end with ".git":
https://docs.github.com/en/get-started/getting-started-with-git/about-remote-repositories#about-remote-repositories

src/doc/src/reference/overriding-dependencies.md

@@ -108,7 +108,7 @@ request is merged you could change your `path` dependency to:
 
 ```toml
 [patch.crates-io]
-uuid = { git = 'https://github.com/uuid-rs/uuid' }
+uuid = { git = 'https://github.com/uuid-rs/uuid.git' }
 ```
 
 [uuid-repository]: https://github.com/uuid-rs/uuid
@@ -135,7 +135,7 @@ version = "0.1.0"
 uuid = "1.0.1"
 
 [patch.crates-io]
-uuid = { git = 'https://github.com/uuid-rs/uuid' }
+uuid = { git = 'https://github.com/uuid-rs/uuid.git' }
 ```
 
 Note that our local dependency on `uuid` has been updated to `1.0.1` as it's
@@ -161,7 +161,7 @@ my-library = { git = 'https://example.com/git/my-library' }
 uuid = "1.0"
 
 [patch.crates-io]
-uuid = { git = 'https://github.com/uuid-rs/uuid' }
+uuid = { git = 'https://github.com/uuid-rs/uuid.git' }
 ```
 
 Remember that `[patch]` is applicable *transitively* but can only be defined at
@@ -197,7 +197,7 @@ we've submitted all changes upstream we can update our manifest for
 uuid = "2.0"
 
 [patch.crates-io]
-uuid = { git = "https://github.com/uuid-rs/uuid", branch = "2.0.0" }
+uuid = { git = "https://github.com/uuid-rs/uuid.git", branch = "2.0.0" }
 ```
 
 And that's it! Like with the previous example the 2.0.0 version doesn't actually
@@ -215,7 +215,7 @@ my-library = { git = 'https://example.com/git/my-library' }
 uuid = "1.0"
 
 [patch.crates-io]
-uuid = { git = 'https://github.com/uuid-rs/uuid', branch = '2.0.0' }
+uuid = { git = 'https://github.com/uuid-rs/uuid.git', branch = '2.0.0' }
 ```
 
 Note that this will actually resolve to two versions of the `uuid` crate. The
@@ -234,8 +234,8 @@ configure this we'd do:
 
 ```toml
 [patch.crates-io]
-serde = { git = 'https://github.com/serde-rs/serde' }
-serde2 = { git = 'https://github.com/example/serde', package = 'serde', branch = 'v2' }
+serde = { git = 'https://github.com/serde-rs/serde.git' }
+serde2 = { git = 'https://github.com/example/serde.git', package = 'serde', branch = 'v2' }
 ```
 
 The first `serde = ...` directive indicates that serde `1.*` should be used
@@ -256,14 +256,14 @@ with other copies. The syntax is similar to the
 
 ```toml
 [patch.crates-io]
-foo = { git = 'https://github.com/example/foo' }
+foo = { git = 'https://github.com/example/foo.git' }
 bar = { path = 'my/local/bar' }
 
 [dependencies.baz]
-git = 'https://github.com/example/baz'
+git = 'https://github.com/example/baz.git'
 
 [patch.'https://github.com/example/baz']
-baz = { git = 'https://github.com/example/patched-baz', branch = 'my-branch' }
+baz = { git = 'https://github.com/example/patched-baz.git', branch = 'my-branch' }
 ```
 
 > **Note**: The `[patch]` table can also be specified as a [configuration
@@ -305,7 +305,7 @@ copies. The syntax is similar to the `[dependencies]` section:
 
 ```toml
 [replace]
-"foo:0.1.0" = { git = 'https://github.com/example/foo' }
+"foo:0.1.0" = { git = 'https://github.com/example/foo.git' }
 "bar:1.0.2" = { path = 'my/local/bar' }
 ```
 

src/doc/src/reference/specifying-dependencies.md

@@ -131,7 +131,7 @@ you need to specify is the location of the repository with the `git` key:
 
 ```toml
 [dependencies]
-regex = { git = "https://github.com/rust-lang/regex" }
+regex = { git = "https://github.com/rust-lang/regex.git" }
 ```
 
 Cargo will fetch the `git` repository at this location then look for a
@@ -147,7 +147,7 @@ the latest commit on a branch named `next`:
 
 ```toml
 [dependencies]
-regex = { git = "https://github.com/rust-lang/regex", branch = "next" }
+regex = { git = "https://github.com/rust-lang/regex.git", branch = "next" }
 ```
 
 Anything that is not a branch or tag falls under `rev`. This can be a commit
@@ -227,7 +227,7 @@ bitflags = { path = "my-bitflags", version = "1.0" }
 
 # Uses the given git repo when used locally, and uses
 # version 1.0 from crates.io when published.
-smallvec = { git = "https://github.com/servo/rust-smallvec", version = "1.0" }
+smallvec = { git = "https://github.com/servo/rust-smallvec.git", version = "1.0" }
 
 # N.B. that if a version doesn't match, Cargo will fail to compile!
 ```
@@ -417,7 +417,7 @@ version = "0.0.1"
 
 [dependencies]
 foo = "0.1"
-bar = { git = "https://github.com/example/project", package = "foo" }
+bar = { git = "https://github.com/example/project.git", package = "foo" }
 baz = { version = "0.1", registry = "custom", package = "foo" }
 ```