chore: update vulnerable mongo driver (#38)

Author: aaron-steinfeld

document-store/build.gradle.kts

@@ -17,7 +17,7 @@ plugins {
 dependencies {
   api("com.typesafe:config:1.3.2")
   implementation("org.postgresql:postgresql:42.2.13")
-  implementation("org.mongodb:mongodb-driver-sync:4.1.1")
+  implementation("org.mongodb:mongodb-driver-sync:4.1.2")
   implementation("com.fasterxml.jackson.core:jackson-databind:2.11.0")
   implementation("org.slf4j:slf4j-api:1.7.25")
   implementation("com.google.guava:guava-annotations:r03")