fix: commit activity link (#32)

---------

Co-authored-by: SofianD <[email protected]>

README.md

@@ -1,6 +1,6 @@
 # SPDX Licenses conformance
 ![version](https://img.shields.io/badge/dynamic/json.svg?style=for-the-badge&url=https://raw.githubusercontent.com/NodeSecure/licenses-conformance/master/package.json&query=$.version&label=Version)
-[![Maintenance](https://img.shields.io/badge/Maintained%3F-yes-green.svg?style=for-the-badge)](https://github.com/NodeSecure/licenses-conformance/commit-activity)
+[![Maintenance](https://img.shields.io/badge/Maintained%3F-yes-green.svg?style=for-the-badge)](https://github.com/NodeSecure/licenses-conformance/graphs/commit-activity)
 [![OpenSSF
 Scorecard](https://api.securityscorecards.dev/projects/github.com/NodeSecure/licenses-conformance/badge?style=for-the-badge)](https://api.securityscorecards.dev/projects/github.com/NodeSecure/licenses-conformance)
 [![mit](https://img.shields.io/github/license/Naereen/StrapDown.js.svg?style=for-the-badge)](https://github.com/NodeSecure/licenses-conformance/blob/master/LICENSE)