PMM-14751: fix Last Analyze metric typo (autoanalyze)

[mattiasimonato]

https://perconadev.atlassian.net/browse/PMM-14883

• Links to relevant pull requests

[JNKPercona]

Server docker: perconalab/pmm-server-fb:PR-4314-7faca02
Client docker: perconalab/pmm-client-fb:PR-4314-7faca02
Watchtower docker: perconalab/pmm-watchtower-fb:PR-4314-7faca02
Client tarball: https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4314-7faca02.tar.gz
Staging instance: https://pmm.cd.percona.com/job/pmm3-aws-staging-start/parambuild/?DOCKER_VERSION=perconalab/pmm-server-fb:PR-4314-7faca02&CLIENT_VERSION=https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4314-7faca02.tar.gz

[JNKPercona]

API tests have failed: https://pmm.cd.percona.com/job/pmm3-api-tests/5885/

[JNKPercona]

Server docker: perconalab/pmm-server-fb:PR-4314-6fe69d0
Client docker: perconalab/pmm-client-fb:PR-4314-6fe69d0
Watchtower docker: perconalab/pmm-watchtower-fb:PR-4314-6fe69d0
Client tarball: https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4314-6fe69d0.tar.gz
Staging instance: https://pmm.cd.percona.com/job/pmm3-aws-staging-start/parambuild/?DOCKER_VERSION=perconalab/pmm-server-fb:PR-4314-6fe69d0&CLIENT_VERSION=https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4314-6fe69d0.tar.gz

[JNKPercona]

API tests have succeded: https://pmm.cd.percona.com/job/pmm3-api-tests/5887/