Update package version to 2.4.18

pkg.info

@@ -1,6 +1,6 @@
 name: cups
 description: An open-source printing system
-version: 2.4.17
+version: 2.4.18
 revision: 1
 url: https://openprinting.github.io/cups/
 license: Apache2 with LLVM-exception and BSD-3-Clause and Zlib and BSD-2-Clause
@@ -22,7 +22,7 @@ downloads:
   - url: https://github.com/OpenPrinting/cups/releases/download/v${BPM_PKG_VERSION}/cups-${BPM_PKG_VERSION}-source.tar.gz
     extract_to: ${BPM_SOURCE}
     extract_strip_components: 1
-    checksum: 89c703238de210d4f4f4e5d4269e3d60c4b2f487aad75a8a1eaecd659e4d0b77
+    checksum: 8fe23bf4905f8889f4bd5ebf375e81916e84754bfc59eccc88cfd7b1e97a741b
 split_packages:
   - name: cups
     keep: