cargo: bump stop-token from 0.6.1 to 0.7.0

Bumps [stop-token](https://github.com/async-rs/stop-token) from 0.6.1 to 0.7.0.
- [Release notes](https://github.com/async-rs/stop-token/releases)
- [Commits](https://github.com/async-rs/stop-token/commits)

---
updated-dependencies:
- dependency-name: stop-token
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.lock

@@ -1120,7 +1120,7 @@ dependencies = [
  "sha-1 0.10.0",
  "sha2 0.10.1",
  "smallvec",
- "stop-token 0.6.1",
+ "stop-token 0.7.0",
  "strum",
  "strum_macros",
  "surf",
@@ -3560,9 +3560,9 @@ dependencies = [
 
 [[package]]
 name = "stop-token"
-version = "0.6.1"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3829f0fc642e19ef8a1072ba8e33139a385f609ba56761df501c5272a9704918"
+checksum = "af91f480ee899ab2d9f8435bfdfc14d08a5754bd9d3fef1f1a1c23336aad6c8b"
 dependencies = [
  "async-channel",
  "cfg-if 1.0.0",

Cargo.toml

@@ -66,7 +66,7 @@ serde = { version = "1.0", features = ["derive"] }
 sha-1 = "0.10"
 sha2 = "0.10"
 smallvec = "1"
-stop-token = "0.6"
+stop-token = "0.7"
 strum = "0.23"
 strum_macros = "0.23"
 surf = { version = "2.3", default-features = false, features = ["h1-client"] }