roachtest: cluster_creation failed

roachtest.cluster_creation [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyAwsBazel/20516655?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyAwsBazel/20516655?buildTab=artifacts#/cdc/frontier-persistence-benchmark/interval=10m/tables=100/ranges=100) on release-25.4 @ [9221c5318324b33455257088d3a48fae69346359](https://github.com/cockroachdb/cockroach/commits/9221c5318324b33455257088d3a48fae69346359):

```
test cdc/frontier-persistence-benchmark/interval=10m/tables=100/ranges=100 failed: (test_runner.go:873).func4: in provider: aws: failed to run: aws ec2 run-instances --associate-public-ip-address --count 1 --instance-type m7gd.4xlarge --image-id ami-05983a09f7dc1c18f --key-name teamcity-runner-Iyo6qZCW9bCa59PDvNqHrSkQ6BE= --region us-east-2 --security-group-ids sg-04d72b57e29d671f1 --subnet-id subnet-0258dc9d1b6473d84 --tag-specifications ResourceType=instance,Tags=[{Key=usage,Value=roachtest},{Key=roachtest-branch,Value=release-25-4},{Key=lifetime,Value=12h0m0s},{Key=arch,Value=arm64},{Key=created,Value=2025-09-25T06:39:38Z},{Key=Name,Value=teamcity-20516655-1758780264-32-n4cpu16-0003},{Key=Cluster,Value=teamcity-20516655-1758780264-32-n4cpu16},{Key=spot,Value=true},{Key=roachprod,Value=true},{Key=cluster,Value=teamcity-20516655-1758780264-32-n4cpu16}] ResourceType=volume,Tags=[{Key=usage,Value=roachtest},{Key=roachtest-branch,Value=release-25-4},{Key=lifetime,Value=12h0m0s},{Key=arch,Value=arm64},{Key=created,Value=2025-09-25T06:39:38Z},{Key=Name,Value=teamcity-20516655-1758780264-32-n4cpu16-0003},{Key=Cluster,Value=teamcity-20516655-1758780264-32-n4cpu16},{Key=spot,Value=true},{Key=roachprod,Value=true},{Key=cluster,Value=teamcity-20516655-1758780264-32-n4cpu16}] --user-data file:///tmp/aws-startup-script1787764520 --iam-instance-profile Name=roachprod-testing --block-device-mapping file:///tmp/aws-block-device-mapping121280943 --instance-market-options MarketType=spot,SpotOptions={SpotInstanceType=one-time,InstanceInterruptionBehavior=terminate} --output json: stderr:
An error occurred (InsufficientInstanceCapacity) when calling the RunInstances operation (reached max retries: 2): We currently do not have sufficient m7gd.4xlarge capacity in the Availability Zone you requested (us-east-2a). Our system will be working on provisioning additional capacity. You can currently get m7gd.4xlarge capacity by not specifying an Availability Zone in your request or choosing us-east-2b, us-east-2c.: exit status 254 [owner=test-eng]
```

Parameters:
- cloud=aws
- coverageBuild=false
- cpu=16
- runtimeAssertionsBuild=false
- ssd=0
Help

See: [roachtest README](https://github.com/cockroachdb/cockroach/blob/master/pkg/cmd/roachtest/README.md)

See: [How To Investigate \(internal\)](https://cockroachlabs.atlassian.net/l/c/SSSBr8c7)

Same failure on other branches

- #153766 roachtest: cluster_creation failed [O-roachtest O-robot T-testeng X-infra-flake branch-master]
- #153765 roachtest: cluster_creation failed [O-roachtest O-robot T-testeng X-infra-flake branch-master]
- #153764 roachtest: cluster_creation failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.3.2-rc]
- #153763 roachtest: cluster_creation failed [O-roachtest O-robot T-testeng X-infra-flake branch-master]
- #153563 roachtest: cluster_creation failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.3]
- #153562 roachtest: cluster_creation failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.3]
- #153561 roachtest: cluster_creation failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.3]
- #153560 roachtest: cluster_creation failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.3]
- #153559 roachtest: cluster_creation failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.3]
- #153558 roachtest: cluster_creation failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.3]

/cc @cockroachdb/test-eng

[This test on roachdash](https://roachdash.crdb.dev/?filter=status:open%20t:.*cluster_creation.*&sort=title+created&display=lastcommented+project) | [Improve this report!](https://github.com/cockroachdb/cockroach/tree/master/pkg/cmd/bazci/githubpost/issues)

Jira issue: CRDB-54731