Update scalatest from 3.2.12 to 3.2.13 (#81)

Co-authored-by: Anand Singh <4903911+anand-singh@users.noreply.github.com>

Author: anand-singh

build.sbt

@@ -12,6 +12,6 @@ libraryDependencies ++= Seq(
  "ch.qos.logback" % "logback-classic" % "1.4.1",
  "net.codingwell" %% "scala-guice" % "5.1.0",
  "org.json4s" %% "json4s-native" % "4.0.5",
- "org.scalatest" %% "scalatest" % "3.2.12" % "test",
+ "org.scalatest" %% "scalatest" % "3.2.13" % "test",
  "com.typesafe.akka" %% "akka-http-testkit" % "10.2.9" % Test
 )