ci(ios): fix heredoc indentation in ExportOptions.plist generation

Use <<- heredoc operator to strip leading tabs and fix whitespace that
was producing an invalid plist XML.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Claude

.github/workflows/ios-release.yml

@@ -111,34 +111,35 @@ jobs:
       - name: Export IPA
         run: |
           EXPORT_PLIST="$RUNNER_TEMP/ExportOptions.plist"
-          cat > "$EXPORT_PLIST" <<PLIST
+          cat > "$EXPORT_PLIST" <<-PLIST
           <?xml version="1.0" encoding="UTF-8"?>
-          <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"
-            "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+          <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
           <plist version="1.0">
           <dict>
-              <key>method</key>
-              <string>app-store-connect</string>
-              <key>teamID</key>
-              <string>ZJ9GEQ36AH</string>
-              <key>signingStyle</key>
-              <string>manual</string>
-              <key>signingCertificate</key>
-              <string>Apple Distribution</string>
-              <key>provisioningProfiles</key>
-              <dict>
-                  <key>com.codebutler.farebot</key>
-                  <string>$PROVISIONING_PROFILE_UUID</string>
-              </dict>
-              <key>uploadSymbols</key>
-              <true/>
-              <key>destination</key>
-              <string>upload</string>
+            <key>method</key>
+            <string>app-store-connect</string>
+            <key>teamID</key>
+            <string>ZJ9GEQ36AH</string>
+            <key>signingStyle</key>
+            <string>manual</string>
+            <key>signingCertificate</key>
+            <string>Apple Distribution</string>
+            <key>provisioningProfiles</key>
+            <dict>
+              <key>com.codebutler.farebot</key>
+              <string>$PROVISIONING_PROFILE_UUID</string>
+            </dict>
+            <key>uploadSymbols</key>
+            <true/>
+            <key>destination</key>
+            <string>upload</string>
           </dict>
           </plist>
           PLIST
 
+          echo "--- ExportOptions.plist ---"
           cat "$EXPORT_PLIST"
+          echo "---"
 
           xcodebuild -exportArchive \
             -archivePath "$RUNNER_TEMP/FareBot.xcarchive" \