build: update BouncyCastle version

Author: sander

build.gradle.kts

@@ -22,8 +22,8 @@ repositories {
 dependencies {
     testImplementation(kotlin("test"))
     testImplementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.2")
-    testImplementation("org.bouncycastle:bcprov-jdk15on:1.70")
-    testImplementation("org.bouncycastle:bcpkix-jdk15on:1.70")
+    testImplementation("org.bouncycastle:bcprov-jdk18on:1.77")
+    testImplementation("org.bouncycastle:bcpkix-jdk18on:1.77")
 }
 
 java {