Bump portable-atomic from 1.5.1 to 1.6.0 (#3507)

Bumps [portable-atomic](https://github.com/taiki-e/portable-atomic) from 1.5.1 to 1.6.0.
- [Release notes](https://github.com/taiki-e/portable-atomic/releases)
- [Changelog](https://github.com/taiki-e/portable-atomic/blob/main/CHANGELOG.md)
- [Commits](https://github.com/taiki-e/portable-atomic/compare/v1.5.1...v1.6.0)

---
updated-dependencies:
- dependency-name: portable-atomic
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -2777,9 +2777,9 @@ checksum = "22686f4785f02a4fcc856d3b3bb19bf6c8160d103f7a99cc258bddd0251dc7f2"
 
 [[package]]
 name = "portable-atomic"
-version = "1.5.1"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3bccab0e7fd7cc19f820a1c8c91720af652d0c88dc9664dd72aef2614f04af3b"
+checksum = "7170ef9988bc169ba16dd36a7fa041e5c4cbeb6a35b76d4c03daded371eae7c0"
 
 [[package]]
 name = "postcard"

boa_engine/Cargo.toml

@@ -88,7 +88,7 @@ thin-vec.workspace = true
 itertools = { version = "0.12.0", default-features = false }
 icu_normalizer.workspace = true
 paste = "1.0"
-portable-atomic = "1.5.1"
+portable-atomic = "1.6.0"
 bytemuck = { version = "1.14.0", features = ["derive"] }
 arrayvec = "0.7.4"
 intrusive-collections = "0.9.6"