Vendor opencode source for docker build

opencode/github/script/publish

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+# Get the latest Git tag
+latest_tag=$(git tag --sort=committerdate | grep -E '^github-v[0-9]+\.[0-9]+\.[0-9]+$' | tail -1)
+if [ -z "$latest_tag" ]; then
+    echo "No tags found"
+    exit 1
+fi
+echo "Latest tag: $latest_tag"
+
+# Update latest tag
+git tag -d latest
+git push origin :refs/tags/latest
+git tag -a latest $latest_tag -m "Update latest to $latest_tag"
+git push origin latest