Update dependency com.mmorrell:solanaj to v1.19.2

Author: renovate[bot]

solana-app/build.gradle

@@ -16,7 +16,7 @@ dependencies {
     implementation project(':api')
     implementation 'org.springframework.boot:spring-boot-starter-validation'
     implementation 'org.springframework.boot:spring-boot-starter-web'
-    implementation 'com.mmorrell:solanaj:1.17.7'
+    implementation 'com.mmorrell:solanaj:1.19.2'
     implementation 'org.springframework.cloud:spring-cloud-starter'
     implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.6.0'
     testImplementation "org.wiremock:wiremock-standalone:${wiremockVersion}"