Update dependencies for 2024-01 release train (#541)

This commit updates various dependencies, including:
- Spring Framework 6.1.3
- Micrometer 1.12.2
- Micrometer Tracing 1.2.2
- Reactor 2023.0.2

Resolves #534

gradle/libs.versions.toml

@@ -7,22 +7,22 @@ jackson = "2.15.3"
 jsr305 = "3.0.2"
 logback = "1.4.14"
 log4j = "2.17.1"
-micrometer = "1.12.1"
-micrometer-docs-gen = "1.0.0"
-micrometer-tracing = "1.2.1"
+micrometer = "1.12.2"
+micrometer-docs-gen = "1.0.2"
+micrometer-tracing = "1.2.2"
 protobuf = "3.21.5"
 pulsar = "3.1.2"
 pulsar-reactive = "0.5.1"
-reactor = "2023.0.1"
-spring = "6.1.2"
+reactor = "2023.0.2"
+spring = "6.1.3"
 # tests
-assertj = "3.24.2"
+assertj = "3.25.1"
 awaitility = "4.2.0"
 jacoco = "0.8.9"
 json-path = "2.8.0"
 junit = "5.10.1"
-hamcrest = "2.1"
-mockito = "5.7.0"
+hamcrest = "2.2"
+mockito = "5.8.0"
 spring-dep-mgmt = "1.1.4"
 spring-boot = "3.2.2-SNAPSHOT"
 spring-boot-for-docs = "3.2.2-SNAPSHOT"
@@ -33,12 +33,12 @@ testcontainers = "1.19.3"
 # plugins
 antora = "1.0.0"
 antora-yml = "0.0.1"
-download = "5.3.0"
-grgit = "4.0.1"
+download = "5.5.0"
+grgit = "5.2.1"
 nohttp = "0.0.11"
 shadow = "7.1.2"
 versions = "0.50.0"
-version-catalog-update = "0.8.1"
+version-catalog-update = "0.8.3"
 
 [libraries]
 # Product libs