Bump braveVersion from 5.15.1 to 5.16.0 (#2801)

Bumps `braveVersion` from 5.15.1 to 5.16.0.

Updates `io.zipkin.brave:brave-instrumentation-http` from 5.15.1 to 5.16.0

Updates `io.zipkin.brave:brave-instrumentation-http-tests` from 5.15.1 to 5.16.0

---
updated-dependencies:
- dependency-name: io.zipkin.brave:brave-instrumentation-http
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.zipkin.brave:brave-instrumentation-http-tests
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

build.gradle

@@ -88,7 +88,7 @@ ext {
 
 	contextPropagationVersion = '1.0.0' //optional baseline
 
-	braveVersion = '5.15.1'
+	braveVersion = '5.16.0'
 
 	jsr305Version = '3.0.2'