Upgrade to swift 5.3 tools

Author: nacho4d

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.1
+// swift-tools-version:5.3
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription

sonar.sh

@@ -1,5 +1,6 @@
 #! /bin/bash
-
+GIT_BRANCH=$(git branch | grep '\*' | awk '{print $2}')
+echo GIT_BRANCH $GIT_BRANCH
 sonar-scanner \
   -X \
   -Dsonar.projectKey=DataStructuresKey \