fix: broken link containing old branch name

Author: angela-tran

docs/releases.md

@@ -2,7 +2,7 @@
 
 The `eligibility-server` is published as a Docker image on the GitHub Container Registry. It can be accessed from the [repository package page](https://github.com/cal-itp/eligibility-server/pkgs/container/eligibility-server).
 
-Every push to the `main` (default) branch that changes files relevant to the application builds and updates the `dev` package, via the [`docker-publish`](https://github.com/cal-itp/eligibility-server/blob/dev/.github/workflows/docker-publish.yml) GitHub Action.
+Every push to the `main` (default) branch that changes files relevant to the application builds and updates the `dev` package, via the [`docker-publish`](https://github.com/cal-itp/eligibility-server/blob/main/.github/workflows/docker-publish.yml) GitHub Action.
 
 Commits that are tagged with our version number format for release candidates and releases will update the `test` and `prod` packages, respectively.