chore: implement 'use' verb to template object, read has less scope now (#16075)

Template `use` is now a verb.
- Template admins can `use` all templates (org template admins same in
org)
- Members get the `use` perm from the `everyone` group in the
`group_acl`.

coderd/database/migrations/000287_template_read_to_use.down.sql

@@ -0,0 +1,5 @@
+UPDATE
+	templates
+SET
+	group_acl = replace(group_acl::text, '["read", "use"]', '["read"]')::jsonb,
+	user_acl = replace(user_acl::text, '["read", "use"]', '["read"]')::jsonb