add maplibre-native-base to maplibre-native-headers.tar.gz included in the core release (maplibre#3482)

Author: CommanderStorm

.github/workflows/core-release.yml

@@ -19,6 +19,7 @@ jobs:
         run: |
           tar czf maplibre-native-headers.tar.gz \
             include \
+            vendor/maplibre-native-base/include \
             vendor/maplibre-native-base/deps/variant/include \
             vendor/maplibre-native-base/deps/geometry.hpp/include
       - name: Create Release