Rename workflow from 'Build snippets' to 'Build iOS snippets' (#673)

Author: cartland

.github/workflows/build-ios.yml

@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-name: Build snippets
+name: Build iOS snippets
 
 on:
   push: