Bazel 4.2.0

[omarzl]

Bazel version update to 4.2.0 in order to compile it in M1 Macs
In order to compile with latest Bazel version I needed to update Swift Log to 1.4.2 and Swift NIO to 2.33.0

Compilation and tests with Bazel:

➜ bazel build //BazelXCBBuildService:BazelXCBBuildService
Starting local Bazel server and connecting to it...
INFO: Analyzed target //BazelXCBBuildService:BazelXCBBuildService (57 packages loaded, 1352 targets configured).
INFO: Found 1 target...
Target //BazelXCBBuildService:BazelXCBBuildService up-to-date:
  bazel-out/applebin_macos-darwin_x86_64-fastbuild-ST-a2b1a2128d01/bin/BazelXCBBuildService/BazelXCBBuildService
INFO: Elapsed time: 57.894s, Critical Path: 26.54s
INFO: 285 processes: 46 internal, 220 darwin-sandbox, 1 local, 18 worker.
INFO: Build completed successfully, 285 total actions
➜ bazel test //BazelXCBBuildService:BazelXCBBuildServiceIntegrationTests
INFO: Analyzed target //BazelXCBBuildService:BazelXCBBuildServiceIntegrationTests (7 packages loaded, 230 targets configured).
INFO: Found 1 test target...
Target //BazelXCBBuildService:BazelXCBBuildServiceIntegrationTests up-to-date:
  bazel-bin/BazelXCBBuildService/BazelXCBBuildServiceIntegrationTests
INFO: Elapsed time: 0.479s, Critical Path: 0.26s
INFO: 4 processes: 2 internal, 2 darwin-sandbox.
INFO: Build completed successfully, 4 total actions
//BazelXCBBuildService:BazelXCBBuildServiceIntegrationTests              PASSED in 0.2s

INFO: Build completed successfully, 4 total actions
➜ bazel test //BazelXCBBuildService:write_shim_tests                                    
INFO: Analyzed target //BazelXCBBuildService:write_shim_tests (0 packages loaded, 3 targets configured).
INFO: Found 1 test target...
Target //BazelXCBBuildService:write_shim_tests up-to-date:
  bazel-bin/BazelXCBBuildService/write_shim_tests
INFO: Elapsed time: 0.115s, Critical Path: 0.00s
INFO: 1 process: 1 internal.
INFO: Build completed successfully, 1 total action
//BazelXCBBuildService:write_shim_tests                         (cached) PASSED in 0.4s

INFO: Build completed successfully, 1 total action

Package compilation with Xcode

[hisaac]

I've confirmed that the example builds correctly and tests pass with the included changes. Thanks for the update @omarzl!