CNDB-15716: register sensors in paxos v2

[driftx]

What is the issue

Paxos v2 doesn't have sensors

What does this PR fix and why was it fixed

Register sensors in paxos v2

[github-actions]

Checklist before you submit for review

• This PR adheres to the Definition of Done
• Make sure there is a PR in the CNDB project updating the Converged Cassandra version
• Use NoSpamLogger for log lines that may appear frequently in the logs
• Verify test results on Butler
• Test coverage for new/modified code is > 80%
• Proper code formatting
• Proper title for each commit staring with the project-issue number, like CNDB-1234
• Each commit has a meaningful description
• Each commit is not very long and contains related changes
• Renames, moves and reformatting are in distinct commits
• All new files should contain the DataStax copyright header instead of the Apache License one

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
88.9% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[cassci-bot]

❌ Build ds-cassandra-pr-gate/PR-2070 rejected by Butler

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49 regressions found
See build details here

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Found 49 new test failures

Showing only first 15 new test failures

Test	Explanation	Runs	Upstream
junit.framework.TestSuite.org.apache.cassandra.distributed.test.CASContentionTest-_jdk11	REGRESSION	🔵🔴	0 / 11
junit.framework.TestSuite.org.apache.cassandra.distributed.test.CASTest-_jdk11	REGRESSION	🔵🔴	0 / 11
junit.framework.TestSuite.org.apache.cassandra.distributed.test.CasWriteTest-_jdk11	REGRESSION	🔵🔴	0 / 11
junit.framework.TestSuite.org.apache.cassandra.distributed.test.LegacyCASTest-_jdk11	REGRESSION	🔵🔴	0 / 11
junit.framework.TestSuite.org.apache.cassandra.distributed.test.metrics.RequestTimeoutTest-_jdk11	REGRESSION	🔵🔴	0 / 11
test_unicode.TestCqlshUnicode.test_unicode_desc (python3.8.jdk11.x86_64.no-cython.x86_64)	REGRESSION	🔴🔵	0 / 11
o.a.c.cql3.validation.operations.AggregationQueriesTest.testAggregationQueryShouldNotTimeoutWhenItExceedesReadTimeout (compression)	REGRESSION	🔴🔴	2 / 11
o.a.c.distributed.test.CASContentionTest.testDynamicContentionTracing	REGRESSION	🔵🔴	0 / 11
o.a.c.distributed.test.CASMultiDCTest.testDcLocalCommitDisabled	REGRESSION	🔵🔴	0 / 11
o.a.c.distributed.test.CASMultiDCTest.testLocalSerialLocalCommit	REGRESSION	🔵🔴	0 / 11
o.a.c.distributed.test.CASMultiDCTest.testLocalSerialQuorumCommit	REGRESSION	🔵🔴	0 / 11
o.a.c.distributed.test.CASMultiDCTest.testSerialLocalCommit	REGRESSION	🔵🔴	0 / 11
o.a.c.distributed.test.CASMultiDCTest.testSerialQuorumCommit	REGRESSION	🔵🔴	0 / 11
o.a.c.distributed.test.CASTest.incompleteCommit	REGRESSION	🔵🔴	0 / 11
o.a.c.distributed.test.CASTest.testRepairIncompletePropose	REGRESSION	🔵🔴	0 / 11

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Found 5 known test failures

[michaelsembwever]

are there existing tests to cover/assert this ?

[driftx]

There's at least WriteMetricsTest#testLWTSensorMetrics which brought me here :)