CNDB-7237: add metrics to track replica response sizes

[driftx]

What is the issue

Fixes #7237

What does this PR fix and why was it fixed

Adds metrics to track both read and write responses in bytes

[github-actions]

Checklist before you submit for review

• 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
96.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[cassci-bot]

❌ Build ds-cassandra-pr-gate/PR-1858 rejected by Butler

---

754 new test failure(s) in 1 builds
See build details here

---

Found 754 new test failures

Showing only first 15 new test failures

Test	Explanation	Branch history	Upstream history
....FeaturesVersionSupportBATest.testIndexAnalyzer	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
....FeaturesVersionSupportCATest.testQueryAnalyzer	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
....FeaturesVersionSupportDBTest.testQueryAnalyzer	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
...eaturesVersionSupportTest.testIndexAnalyzer[aa]	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
...ithMatchingPrimaryKeyDownToClusteringValues[ec]	regression	🔴	🔵🔵🔵🔵
...letionsWithCompoundKeyTest.testRowDeletions[aa]	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
...imeToLiveWithCompoundKeyTest.testTimeToLive[db]	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
...thCompoundKeyWithStaticsTest.testTimeToLive[dc]	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
...cycleWithCompoundKeyTest.testWriteLifecycle[eb]	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
...eletionsWithBaseModelTest.testCellDeletions[aa]	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
...CompositePartitionKeyTest.testCellDeletions[aa]	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
...DeletionsWithBaseModelTest.testRowDeletions[ca]	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
...hCompositePartitionKeyTest.testRowDeletions[dc]	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
...hCompositePartitionKeyTest.testRowDeletions[ed]	regression	🔴	🔵🔵🔵🔵🔵🔵🔵
...fecycleWithBaseModelTest.testWriteLifecycle[db]	regression	🔴	🔵🔵🔵🔵🔵🔵🔵

---

Found 1 known test failures