fix: also bundle libltdl.7.dylib for macOS app

libodbc.2.dylib depends on libltdl.7.dylib (libtool). Rewrite its
install_name and the reference in libodbc to @rpath so both resolve
from Contents/Frameworks/ at runtime.

.github/workflows/release.yml

@@ -67,8 +67,11 @@ jobs:
         if: startsWith(matrix.platform, 'macos')
         run: |
           ODBC_LIB="$(brew --prefix unixodbc)/lib/libodbc.2.dylib"
+          LTDL_LIB="$(brew --prefix libtool)/lib/libltdl.7.dylib"
           install_name_tool -id "@rpath/libodbc.2.dylib" "$ODBC_LIB"
-          cp "$ODBC_LIB" src-tauri/
+          install_name_tool -id "@rpath/libltdl.7.dylib" "$LTDL_LIB"
+          install_name_tool -change "$LTDL_LIB" "@rpath/libltdl.7.dylib" "$ODBC_LIB"
+          cp "$ODBC_LIB" "$LTDL_LIB" src-tauri/
 
       - name: Install Apple certificate (macOS)
         if: startsWith(matrix.platform, 'macos')

src-tauri/tauri.conf.json

@@ -30,7 +30,7 @@
     "targets": "all",
     "createUpdaterArtifacts": true,
     "macOS": {
-      "frameworks": ["libodbc.2.dylib"]
+      "frameworks": ["libodbc.2.dylib", "libltdl.7.dylib"]
     },
     "icon": [
       "icons/32x32.png",