covector published pkg check with built-in API call (#1541)

Author: jbolda

.changes/config.json

@@ -3,12 +3,22 @@
   "pkgManagers": {
     "javascript": {
       "version": true,
-      "getPublishedVersion": "node ../../.scripts/covector/package-latest-version.cjs npm ${ pkgFile.pkg.name } ${ pkgFile.pkg.version }",
+      "getPublishedVersion": {
+        "use": "fetch:check",
+        "options": {
+          "url": "https://registry.npmjs.com/${ pkg.pkg }/${ pkg.pkgFile.version }"
+        }
+      },
       "publish": ["pnpm build", "pnpm publish --access public --no-git-checks"]
     },
     "rust": {
       "version": true,
-      "getPublishedVersion": "node ../../.scripts/covector/package-latest-version.cjs cargo ${ pkgFile.pkg.package.name } ${ pkgFile.pkg.package.version }",
+      "getPublishedVersion": {
+        "use": "fetch:check",
+        "options": {
+          "url": "https://crates.io/api/v1/crates/${ pkg.pkg }/${ pkg.pkgFile.version }"
+        }
+      },
       "publish": [
         {
           "command": "cargo package --no-verify",