Test obj-c with bazel 8

PiperOrigin-RevId: 745282027

.github/workflows/test_objectivec.yml

@@ -69,7 +69,7 @@ jobs:
           CXX: ${{ github.workspace }}/ci/clang_wrapper++
         with:
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
-          bazel-version: 7.5.0
+          bazel-version: 8.0.1
           command: |
             xcodebuild \
                 -project "objectivec/${{ matrix.xc_project }}" \
@@ -112,7 +112,7 @@ jobs:
         if: ${{ !matrix.continuous-only || inputs.continuous-run }}
         uses: protocolbuffers/protobuf-ci/bazel@v4
         with:
-          version: 7.1.2 # Bazel version
+          version: 8.0.1 # Bazel version
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: cocoapods/${{ matrix.XCODE }}
           bash: |
@@ -160,7 +160,7 @@ jobs:
         if: ${{ !matrix.config.continuous-only || inputs.continuous-run }}
         uses: protocolbuffers/protobuf-ci/bazel@v4
         with:
-          version: 7.1.2 # Bazel version
+          version: 8.0.1 # Bazel version
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel: ${{ matrix.config.bazel_action }} ${{ matrix.config.flags }} ${{ matrix.bazel_targets }}
           bazel-cache: objc_${{ matrix.platform }}_${{ matrix.config.name }}

objectivec/BUILD.bazel

@@ -1,5 +1,8 @@
 load("@rules_cc//cc:defs.bzl", "objc_library")
 load("@rules_pkg//pkg:mappings.bzl", "pkg_files", "strip_prefix")
+load("@rules_python//python:defs.bzl", "py_binary")
+load("@rules_python//python:py_test.bzl", "py_test")
+load("@rules_shell//shell:sh_test.bzl", "sh_test")
 load("//conformance:defs.bzl", "conformance_test")
 load("//upb/cmake:build_defs.bzl", "staleness_test")
 load(":defs.bzl", "objc_proto_camel_case_name")