[FSSDK-11964] fix: update CI, simulators and xcode version to 15.3 (#617)

* update xcode version

* Update unit_tests.yml

* Update swift.yml

* Update unit_tests.yml

* Update unit_tests.yml

* Update unit_tests.yml

Author: muzahidul-opti

.github/workflows/swift.yml

@@ -22,39 +22,39 @@ env:
 jobs:
 
   lint_markdown_files:
-    uses: optimizely/swift-sdk/.github/workflows/lint_markdown.yml@master
+    uses: optimizely/swift-sdk/.github/workflows/lint_markdown.yml@fix-release-process
 
   integration_tests:
     if: "${{ github.event.inputs.PREP == '' && github.event.inputs.RELEASE == '' }}"
-    uses: optimizely/swift-sdk/.github/workflows/integration_tests.yml@master
+    uses: optimizely/swift-sdk/.github/workflows/integration_tests.yml@fix-release-process
     secrets:
       CI_USER_TOKEN: ${{ secrets.CI_USER_TOKEN }}
 
-  lint: 
-    runs-on: macos-15
+  lint:
+    runs-on: macos-14
     steps:
     - uses: actions/checkout@v3
     - uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: 16.1.0
+        xcode-version: 15.3
     - env:
         SRCCLR_API_TOKEN: ${{ secrets.SRCCLR_API_TOKEN }}
       run: |
         gem install cocoapods -v '1.15.2'
-        pod spec lint --quick
+        pod spec lint --quick --allow-warnings
         curl -sSL https://download.sourceclear.com/ci.sh | bash
 
   unittests: 
     if: "${{ github.event.inputs.PREP == '' && github.event.inputs.RELEASE == '' }}" 
-    uses: optimizely/swift-sdk/.github/workflows/unit_tests.yml@master
+    uses: optimizely/swift-sdk/.github/workflows/unit_tests.yml@fix-release-process
   prepare_for_release:
     runs-on: macos-15
-    if: "${{ github.event.inputs.PREP == 'true' && github.event_name == 'workflow_dispatch' }}" 
+    if: "${{ github.event.inputs.PREP == 'true' && github.event_name == 'workflow_dispatch' }}"
     steps:
     - uses: actions/checkout@v3
     - uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: 16.1.0
+        xcode-version: 15.3
     - name: Install Hub by Homebrew
       run: |
         /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
@@ -77,12 +77,12 @@ jobs:
 
   release:
     if: "${{github.event.inputs.RELEASE == 'true' && github.event_name == 'workflow_dispatch' }}"
-    runs-on: macos-15
+    runs-on: macos-14
     steps:
     - uses: actions/checkout@v3
     - uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: 16.1.0
+        xcode-version: 15.3
     - name: Install Hub by Homebrew
       run: |
         /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
@@ -97,4 +97,4 @@ jobs:
         COCOAPODS_VERSION: '1.15.2'
       run: |
         gem install cocoapods -v $COCOAPODS_VERSION
-        Scripts/run_release.sh
+        Scripts/run_release.sh

.github/workflows/unit_tests.yml

@@ -7,7 +7,7 @@ env:
 
 jobs:
   unittests:
-    runs-on: macos-15
+    runs-on: macos-14
     strategy:
       fail-fast: false
       matrix:
@@ -18,40 +18,40 @@ jobs:
         #   also, the xcode version (simulator_xcode_version) and simulator os versions (os) are moving target. We have to change these time to time.
         # - see "https://github.com/actions/runner-images/blob/main/images/macos/macos-15-Readme.md" for installed macOS, xcode and simulator versions.
         include:
-          - os: 18.4
-            device: "iPhone 16"
+          - os: 17.2
+            device: "iPhone 15"
             scheme: "OptimizelySwiftSDK-iOS"
             test_sdk: "iphonesimulator"
             platform: "iOS Simulator"
             os_type: "iOS"
-            simulator_xcode_version: 16.3
-          - os: 18.5
-            device: "iPhone 16 Plus"
+            simulator_xcode_version: 15.3
+          - os: 17.4
+            device: "iPad Pro 11-inch (M4)"
             scheme: "OptimizelySwiftSDK-iOS"
             test_sdk: "iphonesimulator"
             platform: "iOS Simulator"
             os_type: "iOS"
-            simulator_xcode_version: 16.4
-          - os: 18.6
-            device: "iPad Air 11-inch (M2)"
+            simulator_xcode_version: 15.3
+          - os: 18.2
+            device: "iPhone 16"
             scheme: "OptimizelySwiftSDK-iOS"
             test_sdk: "iphonesimulator"
             platform: "iOS Simulator"
             os_type: "iOS"
-            simulator_xcode_version: 16.4
-          - os: 18.5
+            simulator_xcode_version: 15.3
+          - os: 17.5
             device: "Apple TV"
             scheme: "OptimizelySwiftSDK-tvOS"
             test_sdk: "appletvsimulator"
             platform: "tvOS Simulator"
             os_type: "tvOS"
-            simulator_xcode_version: 16.4
+            simulator_xcode_version: 15.3
     steps:
       - uses: actions/checkout@v3
       - uses: maxim-lobanov/setup-xcode@v1
         with:
           # macos version and supported simulator_xcode_versions are all related to this xcode_version, so be careful when you upgrade this.
-          xcode-version: 16.4
+          xcode-version: 15.3
       - name: set SDK Branch if PR
         env:
           BASE_REF: ${{ github.base_ref }}