Fix some job parameters for code engine

[bobfang]

Community Note

• Please vote on this pull request by adding a 👍 reaction to the original pull request comment to help the community and maintainers prioritize this request
• Please do not leave "+1" or other comments that do not add relevant new information or questions, they generate extra noise for pull request followers and do not help prioritize the request

ibm_code_engine_job's run_mode documentation has some inconsistency with the actual API.

The documentation states the following keys under run_mode:

• max_execution_time
• retry_limit

These are actually:

• scale_max_execution_time
• scale_retry_limit

I have renamed these references in my PR in the documentation and go code schema comments.

Output from acceptance testing:

$ make testacc TESTARGS='-run=TestAccIbmCodeEngineJobBasic'
=== RUN   TestAccIbmCodeEngineJobBasic
--- PASS: TestAccIbmCodeEngineJobBasic (30.72s)
PASS
ok  	github.com/IBM-Cloud/terraform-provider-ibm/ibm/service/codeengine	31.824s

$ make testacc TESTARGS='-run=TestAccIbmCodeEngineJobDataSourceBasic'
=== RUN   TestAccIbmCodeEngineJobDataSourceBasic
--- PASS: TestAccIbmCodeEngineJobDataSourceBasic (17.73s)
PASS
ok  	github.com/IBM-Cloud/terraform-provider-ibm/ibm/service/codeengine	18.845s
...