Update dependency org.webjars:bootstrap to v5.3.1

Author: renovate[bot]

build.gradle

@@ -44,7 +44,7 @@ dependencies {
     runtimeOnly 'org.webjars:webjars-locator-core'
     runtimeOnly 'net.logstash.logback:logstash-logback-encoder:6.6'
     runtimeOnly 'org.webjars:jquery:3.6.0'
-    runtimeOnly 'org.webjars:bootstrap:5.1.1'
+    runtimeOnly 'org.webjars:bootstrap:5.3.1'
     runtimeOnly 'org.webjars.npm:bootstrap-icons:1.5.0'
     annotationProcessor 'org.projectlombok:lombok'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'