continuous-integration: replace completely outdated information

While at it, use a sweeter filename.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

content/continuous-integration-ci-.md

@@ -0,0 +1,10 @@
+---
+title: "Continuous Integration (CI)"
+aliases:
+  - "Continuous-Integration-(CI)"
+---
+All of Git for Windows' CI builds happen in GitHub Actions:
+
+- [`git`](https://github.com/git-for-windows/git/actions/workflows/main.yml)
+- [`git-for-windows-automation`](https://github.com/git-for-windows/git-for-windows-automation/actions)
+- There are also various automated runs in [other repositories in Git for Windows' org](https://github.com/orgs/git-for-windows/repositories)