PMM-9374 external victoria metrics #9211

Job	Run time
Tests (mysql:5.6, mongo:4.2, postgres:10, percona/pmm-server:2.0.0)	8m 53s
Tests (mysql:5.7, mongo:4.4, postgres:11, percona/pmm-server:2.0.1)	7m 14s
Tests (mysql:8.0, mongo:4.4, postgres:12, percona/pmm-server:2.1.0)	7m 28s
Tests (mysql:8.0, mongo:4.4, postgres:13, percona/pmm-server:2.2.0)	11m 15s
Tests (percona:5.6, percona/percona-server-mongodb:4.2, perconalab/percona-distribution-postgresq...	8m 40s
Tests (percona:5.7, percona/percona-server-mongodb:4.4, perconalab/percona-distribution-postgresq...	7m 57s
Tests (percona:8.0, percona/percona-server-mongodb:4.4, perconalab/percona-distribution-postgresq...	8m 47s
Tests (mariadb:10.2, mongo:4.4, postgres:9.4, perconalab/pmm-server:dev-latest)	8m 47s
Tests (mariadb:10.3, percona/percona-server-mongodb:4.4, postgres:9.5, perconalab/pmm-server:dev-...	7m 41s
Tests (mariadb:10.4, postgres:9.6, perconalab/pmm-server:dev-latest)	7m 53s
	1h 24m 35s

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