Bump @actions/core from 1.2.5 to 1.2.6

Bumps [@actions/core](https://github.com/actions/toolkit/tree/HEAD/packages/core) from 1.2.5 to 1.2.6.
- [Release notes](https://github.com/actions/toolkit/releases)
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/core/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/core)

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

package.json

@@ -27,7 +27,7 @@
   },
   "homepage": "https://github.com/peter-evans/dockerhub-description#readme",
   "dependencies": {
-    "@actions/core": "1.2.5",
+    "@actions/core": "1.2.6",
     "node-fetch": "2.6.1"
   },
   "devDependencies": {