fix: correct to latest iOS and swiftlint issue

.github/workflows/main.yml

@@ -1,7 +1,6 @@
 name: Main
 
-on:
-  [push, pull_request]
+on: [push, pull_request]
 
 jobs:
   mac-test:
@@ -13,12 +12,12 @@ jobs:
         uses: actions/checkout@master
       - name: Build and test
         env:
-         WORKSPACE: "-workspace SWXMLHash.xcworkspace"
-         ACTION: "build-for-testing test-without-building"
+          WORKSPACE: "-workspace SWXMLHash.xcworkspace"
+          ACTION: "build-for-testing test-without-building"
         run: |
           set -o pipefail
           xcodebuild $ACTION $WORKSPACE -scheme "SWXMLHash OSX" | xcpretty
-          xcodebuild $ACTION $WORKSPACE -scheme "SWXMLHash iOS" -sdk iphonesimulator -destination "OS=14.4,name=iPhone 12" | xcpretty
+          xcodebuild $ACTION $WORKSPACE -scheme "SWXMLHash iOS" -sdk iphonesimulator -destination "OS=15.0,name=iPhone 12" | xcpretty
           xcodebuild $ACTION $WORKSPACE -scheme "SWXMLHash tvOS" -sdk appletvsimulator -destination "name=Apple TV" | xcpretty
           xcodebuild build $WORKSPACE -scheme "SWXMLHash watchOS" -sdk watchsimulator | xcpretty
           bash <(curl -s https://codecov.io/bash) -t ${{secrets.CODECOV_TOKEN}}
@@ -34,5 +33,3 @@ jobs:
         run: |
           eval "$(curl -sL https://gist.githubusercontent.com/kylef/5c0475ff02b7c7671d2a/raw/9f442512a46d7a2af7b850d65a7e9bd31edfb09b/swiftenv-install.sh)"
           swift test
-
-

Tests/SWXMLHashTests/XMLParsingTests.swift

@@ -98,7 +98,6 @@ class XMLParsingTests: XCTestCase {
         XCTAssertEqual(xml!["root"]["catalog"]["book"][1].element?.attribute(by: "id")?.text, "bk102")
     }
 
-    // swiftlint:disable identifier_name
     func testShouldBeAbleToParseAttributesWithStringRawRepresentable() {
         enum Keys: String {
             case root; case catalog; case book; case id