Add patch

pkgbuilds/opencode/patches/bun-version-check.patch

@@ -0,0 +1,16 @@
+diff --git a/PKGBUILD b/PKGBUILD
+--- a/PKGBUILD
++++ b/PKGBUILD
+@@ -17,6 +17,12 @@ makedepends=('git' 'bun-bin' 'go')
+ source=("opencode-${pkgver}.tar.gz::https://github.com/sst/opencode/archive/v${pkgver}${_subver}.tar.gz")
+ sha256sums=('SKIP')
+ 
++prepare() {
++  cd "opencode-${pkgver}"
++  # Change strict bun version check to >= comparison
++  sed -i 's/process\.versions\.bun !== expectedBunVersion/process.versions.bun.localeCompare(expectedBunVersion, undefined, {numeric: true}) < 0/' packages/script/src/index.ts
++}
++
+ build() {
+   cd "opencode-${pkgver}"
+   bun install