[YCQL] Update metrics for timedout CQL calls

[amitanandaiyer]

Jira Link: DB-9935

Description

causing timeouts from CQL -> docdb by

dev-server-amitanand2:~/code/yugabyte-db/build [2.21.1.0-b63|✚ 3⚑ 1]
04:25 $ latest/bin/yb-ts-cli -server_address 127.0.0.2:9100 set_flag -force client_read_write_timeout_ms 1
dev-server-amitanand2:~/code/yugabyte-db/build [2.21.1.0-b63|✚ 3⚑ 1]
04:29 $ latest/bin/yb-ts-cli -server_address 127.0.0.1:9100 set_flag -force client_read_write_timeout_ms 1
dev-server-amitanand2:~/code/yugabyte-db/build [2.21.1.0-b63|✚ 3⚑ 1]
04:29 $

does not Update the metrics.

This is likely because we exit early at https://phorge.dev.yugabyte.com/source/yugabyte-db/browse/master/src/yb/yql/cql/ql/exec/executor.cc$1919

We should update the metrics even if the call fails/timesout

Issue Type

kind/bug

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