Update collection-index (devcontainers#155)

Author: samruddhikhandale

_data/collection-index.yml

@@ -284,7 +284,7 @@
   repository: https://github.com/swift-server/swift-devcontainer-template
   ociReference: ghcr.io/swift-server/swift-devcontainer-template
 - name: Android SDK Tools and Apt packages
-  maintainer: @akhildevelops
+  maintainer: akhildevelops
   contact: https://github.com/akhildevelops/devcontainer-features/issues
   repository: https://github.com/akhildevelops/devcontainer-features
   ociReference: ghcr.io/akhildevelops/devcontainer-features