build(deps): bump fortio.org/log from 1.12.0 to 1.12.1 (#3009)

Bumps [fortio.org/log](https://github.com/fortio/log) from 1.12.0 to 1.12.1.
- [Release notes](https://github.com/fortio/log/releases)
- [Commits](fortio/log@v1.12.0...v1.12.1)

---
updated-dependencies:
- dependency-name: fortio.org/log
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Huabing Zhao <zhaohuabing@gmail.com>

go.mod

@@ -4,7 +4,7 @@ go 1.21
 
 require (
 	fortio.org/fortio v1.63.4
-	fortio.org/log v1.12.0
+	fortio.org/log v1.12.1
 	github.com/cncf/xds/go v0.0.0-20231128003011-0fa0005c9caa
 	github.com/davecgh/go-spew v1.1.1
 	github.com/envoyproxy/go-control-plane v0.12.1-0.20240322155512-db0b36a50fa8

go.sum

@@ -7,8 +7,8 @@ fortio.org/dflag v1.7.0 h1:4Vpo5hMly0rx9VMuyBaDGFK1Mx2S3qjxx1iAIA3KBgU=
 fortio.org/dflag v1.7.0/go.mod h1:FUxv/s3DXhCpy7GsuZa4FJWLR92gsYvG3ylkia8MbBM=
 fortio.org/fortio v1.63.4 h1:AmTsfncdPJkyf+6hAYKagkASBd53ZtcYJaJgN6B6+o8=
 fortio.org/fortio v1.63.4/go.mod h1:I7MjaQR3yZ8YrGJQnfbNOYJIsNOX19/7DfmNe5UblMQ=
-fortio.org/log v1.12.0 h1:5Yg4pL9Pp0jcWeJYixm2xikMCldVaSDMgDFDmQJZfho=
-fortio.org/log v1.12.0/go.mod h1:1tMBG/Elr6YqjmJCWiejJp2FPvXg7/9UAN0Rfpkyt1o=
+fortio.org/log v1.12.1 h1:8JNdFqOFbtifrdbqKkQZchGAoooLLr1J/tD2lYl1ZaI=
+fortio.org/log v1.12.1/go.mod h1:1tMBG/Elr6YqjmJCWiejJp2FPvXg7/9UAN0Rfpkyt1o=
 fortio.org/sets v1.0.3 h1:HzewdGjH69YmyW06yzplL35lGr+X4OcqQt0qS6jbaO4=
 fortio.org/sets v1.0.3/go.mod h1:QZVj0r6KP/ZD9ebySW9SgxVNy/NjghUfyHW9NN+WU+4=
 fortio.org/struct2env v0.4.0 h1:k5alSOTf3YHiB3MuacjDHQ3YhVWvNZ95ZP/a6MqvyLo=