Declare DEVELOPER_DIR for the whole job

Author: SimplyDanny

.github/workflows/release.yml

@@ -67,6 +67,8 @@ jobs:
     runs-on: macOS-14
     permissions:
       contents: read
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_15.0.1.app # Supports iOS 17.0 simulator selected by CocoaPods.
     steps:
       - name: Checkout repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
@@ -83,8 +85,6 @@ jobs:
             exit 1
           fi
           make pod_lint
-        env:
-          DEVELOPER_DIR: /Applications/Xcode_15.0.1.app # Supports iOS 17.0 simulator selected by CocoaPods.
 
   build-linux:
     name: Build Linux ${{ matrix.arch }} Binary