Remove cc version pinning (#588)

* Update cc requirement from =1.0.105 to =1.2.1

Updates the requirements on [cc](https://github.com/rust-lang/cc-rs) to permit the latest version.
- [Release notes](https://github.com/rust-lang/cc-rs/releases)
- [Changelog](https://github.com/rust-lang/cc-rs/blob/main/CHANGELOG.md)
- [Commits](rust-lang/cc-rs@cc-v1.0.105...cc-v1.2.1)

---
updated-dependencies:
- dependency-name: cc
  dependency-type: direct:production
...

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

* No need to pin - cc MSRV @ v1.63

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Justin Smith <justsmth@amazon.com>
Co-authored-by: Sean McGrail <549813+skmcgrail@users.noreply.github.com>

aws-lc-rs/Cargo.toml

@@ -70,8 +70,6 @@ regex-automata = "~0.3.9"
 regex-syntax = "~0.7.5"
 # Pinned to avoid build failure in older versions
 proc-macro2 = "1.0.60"
-# Pinned dependency to preserve MSRV: 1.63.0 <= rust-version < 1.67.0
-cc = "=1.0.105"
 
 [package.metadata.cargo-udeps.ignore]
 development = ["which", "home", "regex", "regex-automata", "regex-syntax", "proc-macro2", "jobserver", "cc"]