Bump socket2 from 0.3.12 to 0.3.17

Bumps [socket2](https://github.com/alexcrichton/socket2-rs) from 0.3.12 to 0.3.17.
- [Release notes](https://github.com/alexcrichton/socket2-rs/releases)
- [Commits](https://github.com/alexcrichton/socket2-rs/compare/0.3.12...v0.3.17)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Cargo.lock

@@ -5835,11 +5835,11 @@ dependencies = [
 
 [[package]]
 name = "socket2"
-version = "0.3.12"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03088793f677dce356f3ccc2edb1b314ad191ab702a5de3faf49304f7e104918"
+checksum = "2c29947abdee2a218277abeca306f25789c938e500ea5a9d4b12a5a504466902"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
  "redox_syscall",
  "winapi",