Bump version from 0.2.17 to 0.2.18 (#727)

Author: bhimrazy

src/litserve/__about__.py

@@ -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.
-__version__ = "0.2.17"
+__version__ = "0.2.18"
 __author__ = "Lightning-AI et al."
 __author_email__ = "community@lightning.ai"
 __license__ = "Apache-2.0"