Fix missing xcode build issues.

Author: brandonpage

.github/workflows/nightly.yaml

@@ -16,10 +16,13 @@ jobs:
         include:
           - ios: ^26
             xcode: ^26
+            macos: macos-26
           - ios: ^18
             xcode: ^16
+            macos: macos-latest
           - ios: ^17
             xcode: ^16
+            macos: macos-latest
     uses: ./.github/workflows/reusable-workflow.yaml
     with:
       lib: ${{ matrix.lib }}
@@ -36,10 +39,13 @@ jobs:
         include:
           - ios: ^26
             xcode: ^26
+            macos: macos-26
           - ios: ^18
             xcode: ^16
+            macos: macos-latest
           - ios: ^17
             xcode: ^16
+            macos: macos-latest
     uses: ./.github/workflows/reusable-workflow.yaml
     with:
       lib: ${{ matrix.app }}

.github/workflows/pr.yaml

@@ -106,8 +106,10 @@ jobs:
         include:
           - ios: ^26
             xcode: ^26
+            macos: macos-26
           - ios: ^18
             xcode: ^16
+            macos: macos-latest
     uses: ./.github/workflows/reusable-workflow.yaml
     with:
       lib: ${{ matrix.lib }}
@@ -125,8 +127,10 @@ jobs:
         include:
           - ios: ^26
             xcode: ^26
+            macos: macos-26
           - ios: ^18
             xcode: ^16
+            macos: macos-latest
     uses: ./.github/workflows/reusable-workflow.yaml
     with:
       lib: ${{ matrix.app }}

.github/workflows/reusable-workflow.yaml

@@ -13,7 +13,7 @@ on:
         required: false
         type: string
       macos:
-        default: macos-26
+        default: macos-latest
         required: false
         type: string
       is_pr: