chore(deps): bump tslib from 1.10.0 to 2.6.2

Bumps [tslib](https://github.com/Microsoft/tslib) from 1.10.0 to 2.6.2.
- [Release notes](https://github.com/Microsoft/tslib/releases)
- [Commits](microsoft/tslib@1.10.0...v2.6.2)

---
updated-dependencies:
- dependency-name: tslib
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -33,7 +33,7 @@
   },
   "dependencies": {
     "@bigcommerce/request-sender": "^1.1.0",
-    "tslib": "^1.10.0"
+    "tslib": "^2.6.2"
   },
   "devDependencies": {
     "@bigcommerce/tslint-config": "^2.0.1",