feat: added new RunRelevantTests test-level @W-20152151@

[jfeingold35]

What does this PR do?

Adds the new RunRelevantTests option to the Deploy Start and Deploy Validate commands

What issues does this PR fix or reference?

@W-20152151@

[jshackell-sfdc]

lgtm

[cristiand391]

QA comments:

✅ --api-version < 65 throws invalid test level err:

➜  dreamhouse-lwc git:(main) ✗ sf project deploy start --metadata ApexClass:GeocodingService --test-level RunRelevantTests -o jsforce-test-org --verbose  --metadata ApexClass:GeocodingServiceTest --api-version 65.0
 ›   Warning: @salesforce/plugin-deploy-retrieve is a linked ESM module and cannot be auto-transpiled. Existing compiled source will be used instead.
Error (InvalidTestLevelSelection): TestLevel cannot be 'RunRelevantTests' unless API version is 66.0 or later

🟡 if --api-version isn't specified, validation doesn't happen but still get a good error msg from the org:

// code updated to pretty-print the options sent to the org

➜  dreamhouse-lwc git:(main) ✗ sf project deploy start --metadata ApexClass:GeocodingService --test-level RunRelevantTests -o jsforce-test-org --verbose  --metadata ApexClass:GeocodingServiceTest
 ›   Warning: @salesforce/plugin-deploy-retrieve is a linked ESM module and cannot be auto-transpiled. Existing compiled source will be used instead.
************************************************************************************************************************************************************************
{
  "rollbackOnError": true,
  "ignoreWarnings": false,
  "checkOnly": false,
  "singlePackage": true,
  "testLevel": "RunRelevantTests",
  "purgeOnDelete": false
}
************************************************************************************************************************************************************************
Error (1): 'RunRelevantTests' is not a valid value for the enum 'TestLevel'

✅ modified 2 apex test, then deployed with new test level and see it rans them 🪄

➜  dreamhouse-lwc git:(main) ✗ sf project deploy start --metadata ApexClass:GeocodingService --test-level RunRelevantTests -o epic.out.2ee13979fc21@orgfarm.salesforce.com  --metadata ApexClass:GeocodingServiceTest
 ›   Warning: @salesforce/plugin-deploy-retrieve is a linked ESM module and cannot be auto-transpiled. Existing compiled source will be used instead.

 ─────────────── Deploying Metadata ───────────────

 Deploying v65.0 metadata to epic.out.2ee13979fc21@orgfarm.salesforce.com using the v66.0 SOAP API.

 ✔ Preparing 304ms
 ◯ Waiting for the org to respond - Skipped
 ✔ Deploying Metadata 797ms
   ▸ Components: 2/2 (100%)
 ✔ Running Tests 464ms
   ▸ Successful: 3/3 (100%)
   ▸ Failed: ⢀
 ◯ Updating Source Tracking - Skipped
 ✔ Done 0ms

 Status: Succeeded
 Deploy ID: 0AfSG00000LBzKD0A1
 Target Org: epic.out.2ee13979fc21@orgfarm.salesforce.com
 Elapsed Time: 1.56s


Deployed Source
  State       Name                   Type        Path
 ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────
  Unchanged   GeocodingService       ApexClass   force-app/main/default/classes/GeocodingService.cls
  Unchanged   GeocodingService       ApexClass   force-app/main/default/classes/GeocodingService.cls-meta.xml
  Changed     GeocodingServiceTest   ApexClass   force-app/main/default/classes/GeocodingServiceTest.cls
  Changed     GeocodingServiceTest   ApexClass   force-app/main/default/classes/GeocodingServiceTest.cls-meta.xml

same deploy skips tests, nice.