fix(deps): update module github.com/azure/azure-sdk-for-go/sdk/azcore to v1.21.1

This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [github.com/Azure/azure-sdk-for-go/sdk/azcore](https://redirect.github.com/Azure/azure-sdk-for-go) | `v1.21.0` → `v1.21.1` |  |  | --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR was generated by [Mend Renovate](https://mend.io/renovate/). View the [repository job log](https://developer.mend.io/github/cloudeteer/m365-exporter). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4xMzkuNyIsInVwZGF0ZWRJblZlciI6IjQzLjEzOS43IiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyLwn5ug77iPIGRlcGVuZGVuY2llcyJdfQ==-->