Bump node-fetch from 2.6.11 to 2.6.12

Bumps [node-fetch](https://github.com/node-fetch/node-fetch) from 2.6.11 to 2.6.12.
- [Release notes](https://github.com/node-fetch/node-fetch/releases)
- [Commits](node-fetch/node-fetch@v2.6.11...v2.6.12)

---
updated-dependencies:
- dependency-name: node-fetch
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -21,7 +21,7 @@
   "license": "MIT",
   "dependencies": {
     "@actions/core": "^1.10.0",
-    "node-fetch": "~2.6.11",
+    "node-fetch": "~2.6.12",
     "semver": "^7.5.3"
   },
   "devDependencies": {