tweak CODEOWNERS and remove release-pr workflow

scripts/release-pr.ts

@@ -1,19 +0,0 @@
-import path from "node:path";
-import { exec } from "@actions/exec";
-import pkgJson from "../package.json" with { type: "json" };
-
-const tag = `v${pkgJson.version}`;
-const releaseLine = "pr-release";
-
-process.chdir(path.join(import.meta.dirname, ".."));
-
-await exec("git", ["checkout", "--detach"]);
-await exec("git", ["add", "--force", "dist"]);
-await exec("git", ["commit", "-m", tag]);
-
-await exec("git", [
-  "push",
-  "--force",
-  "origin",
-  `HEAD:refs/heads/${releaseLine}`,
-]);