monitoring: added password_wo write-only field to google_monitoring_uptime_check_config

[modular-magician]

Passing Test:

󰀵 mau  …/terraform-provider-google   main $!?⇣   v1.23.4   11:46   envchain GCLOUD make test TEST=./google/services/monitoring TESTARGS='--run TestAccMonitoringUptimeCheckConfig_update_wo'
sh -c "'/Users/mau/Dev/terraform-provider-google/scripts/gofmtcheck.sh'"
==> Checking that code complies with gofmt requirements...
go vet
go test --run TestAccMonitoringUptimeCheckConfig_update_wo -timeout=30s ./google/services/monitoring
ok      github.com/hashicorp/terraform-provider-google/google/services/monitoring       1.503s

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monitoring: added `password_wo` write-only field and `password_wo_version` field to `google_monitoring_uptime_check_config` resource

Derived from GoogleCloudPlatform/magic-modules#13536