chore: move tasks template icon to global icons dir (#188)

Author: bpmct

registry/coder-labs/.images/tasks.svg renamed to .icons/tasks.svg

@@ -1,7 +1,7 @@
 ---
 display_name: Tasks on Docker
 description: Run Coder Tasks on Docker with an example application
-icon: ./.images/tasks.svg
+icon: ../../../../.icons/tasks.svg
 maintainer_github: coder
 verified: false
 tags: [docker, container, ai, tasks]