Use caracol collections based on nginx_http_response_codes_total for gateway plots

[iand]

The nginx_http_requests_total metric is no longer available in the bifrost prometheus instance. We were using this metric for the "Gateway total requests by day and Gateway total requests by region plots using some underlying caracol sequences (ids 4, 5,6,7 and 8). However we also has some equivalent sequences in caracol that were based on the nginx_http_response_codes_total metric. I switched the regional plots to use the existing caracol collections and created a new one for the total number of requests using:

caracol query add --dburl $PG_CARACOL_WRITE 
                  --name "bifrost-prometheus; nginx_http_response_codes_total; gateways; all families; all regions" 
                  --source-id 2 
                  --query-type="prometheus" 
                  --interval daily 
                  --start 2023-06-01T00:00:00Z 
                  --query 'ceil(sum(increase(nginx_http_response_codes_total{job="gateways_mtail", family=~"api|ipfs|ipns|refs"}[1d])))' 

I also stopped the failing caracol queries (which were alering) from being populated by setting their finish time to 2023-10-24T00:00:00Z which preserves the data already collected up to that date:

caracol query finish --dburl $PG_CARACOL_WRITE  --id 4 --finish 2023-10-24T00:00:00Z
caracol query finish --dburl $PG_CARACOL_WRITE  --id 5 --finish 2023-10-24T00:00:00Z
caracol query finish --dburl $PG_CARACOL_WRITE  --id 6 --finish 2023-10-24T00:00:00Z
caracol query finish --dburl $PG_CARACOL_WRITE  --id 7 --finish 2023-10-24T00:00:00Z
caracol query finish --dburl $PG_CARACOL_WRITE  --id 8 --finish 2023-10-24T00:00:00Z

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