Bump com.signalfx.public:signalfx-java from 1.0.42 to 1.0.43 (#5243)

Bumps [com.signalfx.public:signalfx-java](https://github.com/signalfx/signalfx-java) from 1.0.42 to 1.0.43.
- [Release notes](https://github.com/signalfx/signalfx-java/releases)
- [Commits](signalfx/signalfx-java@v1.0.42...v1.0.43)

---
updated-dependencies:
- dependency-name: com.signalfx.public:signalfx-java
  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>

gradle/libs.versions.toml

@@ -63,7 +63,7 @@ postgre = "42.3.10"
 prometheus = "0.15.0"
 reactor = "2020.0.44"
 rest-assured = "5.3.2"
-signalfx = "1.0.42"
+signalfx = "1.0.43"
 slf4j = "1.7.36"
 spectator-atlas = "1.3.10"
 spring = "5.3.36"