Use macos-26-xlarge runner, update actions to resolve caching issues (#9411)

* use xlarge runner for macos build

* try and fix yarn cache

* update actions/cache for pods step

* use expo github action main rather than v8

* update all actions to the same

* use yarn cache where missing

.github/workflows/build-submit-ios.yml

@@ -15,7 +15,7 @@ jobs:
   build:
     if: github.repository == 'bluesky-social/social-app'
     name: Build and Submit iOS
-    runs-on: macos-26
+    runs-on: macos-26-xlarge
     steps:
       - name: Check for EXPO_TOKEN
         run: >
@@ -30,7 +30,7 @@ jobs:
           fetch-depth: 5
 
       - name: 🔧 Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version-file: .nvmrc
           cache: yarn
@@ -39,7 +39,7 @@ jobs:
         uses: dcarbone/install-jq-action@v2
 
       - name: 🔨 Setup EAS
-        uses: expo/expo-github-action@v8
+        uses: expo/expo-github-action@main
         with:
           expo-version: latest
           eas-version: latest
@@ -49,7 +49,7 @@ jobs:
         run: yarn global add eas-cli-local-build-plugin
 
       - name: ⚙️ Install dependencies
-        run: yarn install
+        run: yarn install --frozen-lockfile
 
       - uses: maxim-lobanov/setup-xcode@v1
         with:
@@ -61,7 +61,7 @@ jobs:
           version: 1.16.2
 
       - name: 💾 Cache Pods
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: pods-cache
         with:
           path: ./ios/Pods