Drop support for Swift 5.2

Author: tsolomko

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.2
+// swift-tools-version:5.3
 import PackageDescription
 
 let package = Package(

README.md

@@ -1,6 +1,6 @@
 # BitByteData
 
-[![Swift 5.2+](https://img.shields.io/badge/Swift-5.2+-blue.svg)](https://developer.apple.com/swift/)
+[![Swift 5.3+](https://img.shields.io/badge/Swift-5.3+-blue.svg)](https://developer.apple.com/swift/)
 [![GitHub license](https://img.shields.io/badge/license-MIT-lightgrey.svg)](https://raw.githubusercontent.com/tsolomko/BitByteData/master/LICENSE)
 [![Build Status](https://dev.azure.com/tsolomko/BitByteData/_apis/build/status/tsolomko.BitByteData?branchName=develop)](https://dev.azure.com/tsolomko/BitByteData/_build/latest?definitionId=2&branchName=develop)
 

azure-pipelines.yml

@@ -15,12 +15,6 @@ stages:
   - job: macos
     strategy:
       matrix:
-        macosSwift52:
-          imageName: 'macOS-11'
-          DEVELOPER_DIR: '/Applications/Xcode_11.7.app'
-          IOS_SIMULATOR: 'iPhone 8'
-          WATCHOS_ACTIONS: 'clean build'
-          WATCHOS_SIMULATOR: 'Apple Watch Series 4 - 44mm'
         macosSwift53:
           imageName: 'macOS-11'
           DEVELOPER_DIR: '/Applications/Xcode_12.4.app'
@@ -94,10 +88,6 @@ stages:
   - job: linux
     strategy:
       matrix:
-        linuxSwift52:
-          imageName: 'ubuntu-20.04'
-          containerImage: 'swift:5.2.5-focal'
-          SWIFT_TEST_DISCOVERY: '--enable-test-discovery'
         linuxSwift53:
           imageName: 'ubuntu-20.04'
           containerImage: 'swift:5.3.3-focal'