chore: sync AUR packages (shared)

pkgbuilds/shared/opencode/PKGBUILD

@@ -2,7 +2,7 @@
 # Maintainer: adam
 
 pkgname='opencode'
-pkgver=1.1.16
+pkgver=1.1.18
 _subver=
 options=('!debug' '!strip')
 pkgrel=1
@@ -28,7 +28,7 @@ build() {
   cd "opencode-${pkgver}"
   bun install
   cd ./packages/opencode
-  OPENCODE_CHANNEL=latest OPENCODE_VERSION=1.1.16 bun run ./script/build.ts --single
+  OPENCODE_CHANNEL=latest OPENCODE_VERSION=1.1.18 bun run ./script/build.ts --single
 }
 
 package() {