build(deps): bump rust_team_data from `8f7cb60` to `b884e8a`

Bumps [rust_team_data](https://github.com/rust-lang/team) from `8f7cb60` to `b884e8a`.
- [Release notes](https://github.com/rust-lang/team/releases)
- [Commits](https://github.com/rust-lang/team/compare/8f7cb603e552c6da97ecfd2e61c0fcc61fdd81c8...b884e8a1944f6820fa23a22a1e609bb6b7ac08eb)

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

Cargo.lock

@@ -1405,7 +1405,7 @@ dependencies = [
 [[package]]
 name = "rust_team_data"
 version = "1.0.0"
-source = "git+https://github.com/rust-lang/team#8f7cb603e552c6da97ecfd2e61c0fcc61fdd81c8"
+source = "git+https://github.com/rust-lang/team#b884e8a1944f6820fa23a22a1e609bb6b7ac08eb"
 dependencies = [
  "indexmap",
  "serde",