PMM-12116 Update dependencies with CVEs

[0leksii]

Update dependencies with the CVEs found for exporters.

https://jira.percona.com/browse/PMM-12116

percona/postgres_exporter#121
percona/node_exporter#45
percona/mysqld_exporter#126

[JNKPercona]

server docker - perconalab/pmm-server-fb:PR-3266-27606c4
client docker - perconalab/pmm-client-fb:PR-3266-27606c4
client - https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm2-client/pmm2-client-PR-3266-27606c4.tar.gz
Create Staging Instance: https://pmm.cd.percona.com/job/aws-staging-start/parambuild/?DOCKER_VERSION=perconalab/pmm-server-fb:PR-3266-27606c4&CLIENT_VERSION=https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm2-client/pmm2-client-PR-3266-27606c4.tar.gz

[JNKPercona]

server docker - perconalab/pmm-server-fb:PR-3266-b52d703
client docker - perconalab/pmm-client-fb:PR-3266-b52d703
client - https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm2-client/pmm2-client-PR-3266-b52d703.tar.gz
Create Staging Instance: https://pmm.cd.percona.com/job/aws-staging-start/parambuild/?DOCKER_VERSION=perconalab/pmm-server-fb:PR-3266-b52d703&CLIENT_VERSION=https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm2-client/pmm2-client-PR-3266-b52d703.tar.gz