[mq-bot test] Codemix of 5 pull requests used for validation

[aviator-app]

This PR contains changes from PR(s):

• [aviator-sim] roachprod: azure GetVMSpecs() implementation #126
• [aviator-sim] scbuild: implement RENAME CONSTRAINT in declarative schema changer #129
• [aviator-sim] changefeedccl: deflake TestChangefeedSchemaTTL #132
• [aviator-sim] sql/stats: support partial stats over indexes implied by the filter #133
• [aviator-sim] asim: use kvserver.LoadBasedRebalancingObjective #135
  These PR(s) will be merged into master-aviator when CI passes.

This PR also includes changes from the following PRs:

• [aviator-sim] storage: add cluster setting to use old compaction eligibility #118
• **[aviator-sim] changefeedccl: protect system tables with their own pts record ** #119
• [aviator-sim] opt: make outside-of-histogram estimates more pessimistic #120
• [aviator-sim] rpc, server: add DRPC metrics server interceptor #121
• [aviator-sim] roachtest: add helper to retry cluster settings #123
• [aviator-sim] roachtest: add restore/tpcc-5k/azure/nodes=4/cpus=8 test #124

Aviator metadata

{
  "pull_requests": [
    {
      "number": 126,
      "head_commit": "fcecf81da9328a31b874884b296a8ae7961e7140"
    },
    {
      "number": 129,
      "head_commit": "eeb98395274b12991ed4224a3b08409e536ef647"
    },
    {
      "number": 132,
      "head_commit": "c036ea41d87eda85adc9a205be5d59d0f22ad8a1"
    },
    {
      "number": 133,
      "head_commit": "75591ebff3a0488a27f4eeb62d35e5ae089c19c4"
    },
    {
      "number": 135,
      "head_commit": "f2d133927f9572a7771047ab3c1fd3c427c40e8d"
    }
  ],
  "target_branch": "master-aviator"
}