Bump @actions/core in /codeql-learninglab-check/package

Bumps [@actions/core](https://github.com/actions/toolkit/tree/HEAD/packages/core) from 1.2.0 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>

codeql-learninglab-check/package/package-lock.json

@@ -3,9 +3,9 @@
   "lockfileVersion": 1,
   "dependencies": {
     "@actions/core": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.0.tgz",
-      "integrity": "sha512-ZKdyhlSlyz38S6YFfPnyNgCDZuAF2T0Qv5eHflNWytPS8Qjvz39bZFMry9Bb/dpSnqWcNeav5yM2CTYpJeY+Dw=="
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.6.tgz",
+      "integrity": "sha512-ZQYitnqiyBc3D+k7LsgSBmMDVkOVidaagDG7j3fOym77jNunWRuYx7VSHa9GNfFZh+zh61xsCjRj4JxMZlDqTA=="
     },
     "@octokit/endpoint": {
       "version": "5.5.1",

codeql-learninglab-check/package/package.json

@@ -1,6 +1,6 @@
 {
   "dependencies": {
-    "@actions/core": "^1.2.0",
+    "@actions/core": "^1.2.6",
     "@octokit/rest": "^16.35.2",
     "@octokit/webhooks": "^7.0.0",
     "@types/csv-parse": "^1.2.2",