Bump curl from 8.21.0.bcr.1 to 8.21.0.bcr.2

Bumps [curl](https://github.com/curl/curl) from 8.21.0.bcr.1 to 8.21.0.bcr.2.
- [Release notes](https://github.com/curl/curl/releases)
- [Changelog](https://github.com/curl/curl/blob/master/CHANGES.md)
- [Commits](https://github.com/curl/curl/commits)

---
updated-dependencies:
- dependency-name: curl
  dependency-version: 8.21.0.bcr.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

MODULE.bazel

@@ -10,7 +10,7 @@ module(
 
 bazel_dep(name = "abseil-cpp", version = "20260107.1", repo_name = "com_google_absl")
 bazel_dep(name = "bazel_skylib", version = "1.9.2")
-bazel_dep(name = "curl", version = "8.21.0.bcr.1")
+bazel_dep(name = "curl", version = "8.21.0.bcr.2")
 bazel_dep(name = "grpc", version = "1.80.0", repo_name = "com_github_grpc_grpc")
 bazel_dep(name = "nlohmann_json", version = "3.12.0.bcr.2", repo_name = "github_nlohmann_json")
 bazel_dep(name = "opentelemetry-proto", version = "1.8.0", repo_name = "com_github_opentelemetry_proto")