Pin Xcode version as 26 for Github workflows (#386)

* Pin Xcode version as 26 for Github workflows

* Use iOS 26.0.1

* Use Xcode 26 in unit tests workflow

Author: naykutguven

.github/workflows/development-tests.yml

@@ -14,12 +14,12 @@ jobs:
       cancel-in-progress: true
     uses: ./.github/workflows/unit-tests.yml
     with:
-      ios-version: "26.1"
+      ios-version: "26.0.1"
       ios-device: "iPhone 17"
-      watchos-version: "26.1"
-      visionos-version: "26.1"
+      watchos-version: "26.0"
+      visionos-version: "26.0"
       macos-runner: "macos-26"
-      xcode-version: "latest-stable"
+      xcode-version: "26.0"
 
   check-approvals:
     runs-on: ubuntu-latest

.github/workflows/release-tests.yml

@@ -24,17 +24,17 @@ jobs:
             visionos-version: "2.5"
             xcode-version: "16.4"
           - os: macos-26
-            ios-version: "26.1"
+            ios-version: "26.0.1"
             ios-device: "iPhone 17"
-            watchos-version: "26.1"
-            visionos-version: "26.1"
+            watchos-version: "26.0"
+            visionos-version: "26.0"
             macos-runner: "macos-26"
-            xcode-version: "latest-stable"
+            xcode-version: "26.0"
     uses: ./.github/workflows/unit-tests.yml
     with:
       macos-runner: ${{ matrix.os }}
       ios-version: ${{ matrix.ios-version }}
       ios-device: ${{ matrix.ios-device }}
       watchos-version: ${{ matrix.watchos-version }}
       visionos-version: ${{ matrix.visionos-version }}
-      xcode-version: ${{ matrix.xcode-version }}
+      xcode-version: ${{ matrix.xcode-version }}

.github/workflows/unit-tests.yml

@@ -58,7 +58,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: ${{ inputs.xcode-version || 'latest-stable' }}
+          xcode-version: ${{ inputs.xcode-version || '26.0' }}
       - name: Setup environment
         run: make setup
       - name: Setup Cache
@@ -104,4 +104,4 @@ jobs:
           name: test-results-${{ matrix.run-config['name']}}-on-${{ inputs.macos-runner }}
           path: |
             ~/Library/Developer/Xcode/DerivedData/**/Logs/Test/*.xcresult
-          retention-days: 5
+          retention-days: 5