bug(nimbus): Use correct repository URL in our CircleCI configuration (#13269)

Because:

- #13249 changed the configuration but used the wrong repository

this commit:

- updates the configuration to the use the correct repository.

Fixes #13268

Author: freshstrangemusic

.circleci/config.yml

@@ -112,7 +112,7 @@ commands:
             echo "export GH_TOKEN=\"${GH_TOKEN}\"" >> "$BASH_ENV"
             git config --global user.email "experimenter-ci-bot@mozilla.com"
             git config --global user.name "Experimenter CircleCI Bot"
-            git remote set-url origin https://x-access-token:${GH_TOKEN}@github.com/b4handjr/experimenter.git
+            git remote set-url origin https://x-access-token:${GH_TOKEN}@github.com/mozilla/experimenter.git
             gh auth setup-git
             gh auth status
             gh config set git_protocol https