Unable to delete group runners Groups::RunnersController#destroy (ActiveRecord::QueryCanceled statement timeout)
https://sentry.gitlab.net/gitlab/gitlabcom/issues/3199043/?referrer=gitlab_plugin
```
PG::QueryCanceled: ERROR: canceling statement due to statement timeout
CONTEXT: SQL statement "UPDATE ONLY "public"."ci_builds" SET "runner_id" = NULL WHERE $1 OPERATOR(pg_catalog.=) "runner_id""
lib/gitlab/database/load_balancing/connection_proxy.rb:126:in `block in write_using_load_balancer'
connection.send(...)
lib/gitlab/database/load_balancing/load_balancer.rb:112:in `block in read_write'
yield connection
lib/gitlab/database/load_balancing/load_balancer.rb:179:in `retry_with_backoff'
return yield
lib/gitlab/database/load_balancing/load_balancer.rb:110:in `read_write'
retry_with_backoff do
lib/gitlab/database/load_balancing/connection_proxy.rb:125:in `write_using_load_balancer'
@load_balancer.read_write do |connection|
...
(202 additional frame(s) were not displayed)
ActiveRecord::QueryCanceled: PG::QueryCanceled: ERROR: canceling statement due to statement timeout
CONTEXT: SQL statement "UPDATE ONLY "public"."ci_builds" SET "runner_id" = NULL WHERE $1 OPERATOR(pg_catalog.=) "runner_id""
```
issue