upgrade scala and pekko (#14)

* upgrade scala and pekko

* Update default.properties

* Update gradle-wrapper.properties

Author: pjfanning

src/main/g8/default.properties

@@ -1,8 +1,8 @@
 name=pekko-grpc-quickstart-java
 description = Apache Pekko gRPC is a toolkit for building streaming gRPC servers and clients on top of Pekko Streams. This simple application will get you started building gRPC based systems with Java.
 pekko_grpc_version=1.2.0
-pekko_version=1.2.1
+pekko_version=1.4.0
 sbt_version=maven(org.scala-sbt, sbt, stable)
 scala_major_version=2.13
-scala_version=2.13.17
+scala_version=2.13.18
 verbatim=*.java *.conf *.proto *.pem *.key gradlew gradlew.bat gradle-wrapper.properties gradle-wrapper.jar

src/main/g8/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME