Update org.jetbrains.kotlinx to 1.7.3

Closes spring-projectsgh-13693

Author: Steve Riesenberg

dependencies/spring-security-dependencies.gradle

@@ -14,7 +14,7 @@ dependencies {
 	api platform("org.mockito:mockito-bom:4.11.0")
 	api platform("org.springframework.data:spring-data-bom:$springDataVersion")
 	api platform("org.jetbrains.kotlin:kotlin-bom:$kotlinDependencyVersion")
-	api platform("org.jetbrains.kotlinx:kotlinx-coroutines-bom:1.7.2")
+	api platform("org.jetbrains.kotlinx:kotlinx-coroutines-bom:1.7.3")
 	api platform("com.fasterxml.jackson:jackson-bom:2.15.2")
 	constraints {
 		api "ch.qos.logback:logback-classic:1.4.11"