Update package version to 2.18.0

pkg.info

@@ -1,9 +1,11 @@
 name: libwacom
 description: C library to provide information about tablet devices that is not available through the kernel
-version: 2.17.0
+version: 2.18.0
 revision: 1
 url: https://github.com/linuxwacom/libwacom
 license: MIT
+maintainers:
+  - [email protected]
 architecture: any
 type: source
 depends:
@@ -24,4 +26,4 @@ downloads:
   - url: https://github.com/linuxwacom/libwacom/releases/download/libwacom-${BPM_PKG_VERSION}/libwacom-${BPM_PKG_VERSION}.tar.xz
     extract_to: ${BPM_SOURCE}
     extract_strip_components: 1
-    checksum: 41a0f239841567b101904df8ced81e1e0115334ccfd82a024412aa0903dae5a7
+    checksum: 7dbb9ab37df9df47ae2fdbb644916c986728291749bcd5ad8bcaa26f1e15f002