Update aws-java-sdk-ec2, aws-java-sdk-ecs to 1.12.777 (#343)

Co-authored-by: scala-steward-asf[bot] <147768647+scala-steward-asf[bot]@users.noreply.github.com>

Author: scala-steward-asf[bot]

project/Dependencies.scala

@@ -24,7 +24,7 @@ object Dependencies {
   val scalaTestVersion = "3.2.19"
   val scalaTestPlusJUnitVersion = scalaTestVersion + ".0"
 
-  val awsSdkVersion = "1.12.776"
+  val awsSdkVersion = "1.12.777"
   val guavaVersion = "33.3.1-jre"
   val jacksonVersion = "2.17.2"