set deployment target to major version. openssl library is compatible…

… with all minor versions under major version

.github/workflows/build-wheels.yml

@@ -245,9 +245,9 @@ jobs:
     - if: ${{ startsWith(inputs.platform-tag, 'manylinux') }}
       run: echo CIBW_MANYLINUX_AARCH64_IMAGE=${{ format(env.CUSTOM_IMAGE_NAME, 'aarch64') }} >> $GITHUB_ENV
 
-    - name: The macOS wheel is only backwards compatible with the macOS version it is built from
+    - name: The macOS wheel is only backwards compatible with the macOS major version it is built from
       if: ${{ startsWith(inputs.platform-tag, 'macosx') }}
-      run: echo MACOSX_DEPLOYMENT_TARGET=$(sw_vers --productVersion | cut -d"." -f -2) >> $GITHUB_ENV
+      run: echo MACOSX_DEPLOYMENT_TARGET=$(sw_vers --productVersion | cut -d"." -f 1).0 >> $GITHUB_ENV
 
     - uses: docker/login-action@v3
       if: ${{ startsWith(inputs.platform-tag, 'manylinux') }}