Update Spotbugs to 4.9.3 for Java 24 support

https://github.com/spotbugs/spotbugs/releases/tag/4.9.3

Author: Goooler

gradle/java-setup.gradle

@@ -23,6 +23,8 @@ spotbugs {
 		// https://spotbugs.readthedocs.io/en/latest/detectors.html#findreturnref
 		'FindReturnRef',
 	]
+	// TODO: https://github.com/spotbugs/spotbugs-gradle-plugin/issues/1360
+	toolVersion = '4.9.3'
 }
 tasks.named('spotbugsTest') {
 	enabled = false

lib-extra/build.gradle

@@ -102,4 +102,6 @@ p2deps {
 spotbugs {
 	// LOW|MEDIUM|DEFAULT|HIGH (low = sensitive to even minor mistakes).
 	reportLevel = com.github.spotbugs.snom.Confidence.valueOf('LOW')
+	// TODO: https://github.com/spotbugs/spotbugs-gradle-plugin/issues/1360
+	toolVersion = '4.9.3'
 }

lib/build.gradle

@@ -138,6 +138,8 @@ dependencies {
 spotbugs {
 	// LOW|MEDIUM|DEFAULT|HIGH (low = sensitive to even minor mistakes).
 	reportLevel = com.github.spotbugs.snom.Confidence.valueOf('LOW')
+	// TODO: https://github.com/spotbugs/spotbugs-gradle-plugin/issues/1360
+	toolVersion = '4.9.3'
 }
 
 apply from: rootProject.file('gradle/special-tests.gradle')

testlib/build.gradle

@@ -27,6 +27,8 @@ dependencies {
 spotbugs {
 	// LOW|MEDIUM|DEFAULT|HIGH (low = sensitive to even minor mistakes).
 	reportLevel = com.github.spotbugs.snom.Confidence.valueOf('HIGH')
+	// TODO: https://github.com/spotbugs/spotbugs-gradle-plugin/issues/1360
+	toolVersion = '4.9.3'
 }
 
 apply from: rootProject.file('gradle/special-tests.gradle')