Update dependency com.github.spotbugs:spotbugs to v4.7.3

Author: renovate[bot]

gradle.properties

@@ -17,7 +17,7 @@ lombokVersion=1.18.24
 mockitoVersion=3.11.2
 mockitoKotlinVersion=2.2.0
 slf4jVersion=1.7.36
-spotbugsVersion=4.2.3
+spotbugsVersion=4.7.3
 springBootVersion=2.5.14
 springCloudVersion=2.2.3.RELEASE
 springCloudMessagingVersion=2.2.2.RELEASE