ci: Switch to Namespace (#35835)

Follow-up to:
- https://github.com/zed-industries/zed/pull/35826

Release Notes:

- N/A

.github/workflows/deploy_collab.yml

@@ -61,7 +61,7 @@ jobs:
       - style
       - tests
     runs-on:
-      - github-16vcpu-ubuntu-2204
+      - namespace-profile-16x32-ubuntu-2204
     steps:
       - name: Install doctl
         uses: digitalocean/action-doctl@v2
@@ -94,7 +94,7 @@ jobs:
     needs:
       - publish
     runs-on:
-      - github-16vcpu-ubuntu-2204
+      - namespace-profile-16x32-ubuntu-2204
 
     steps:
       - name: Checkout repo