r/elastic_beanstalk_application_version: Scope labels to application

[radeksimko]

This is to prevent issues mentioned in #954 by scoping the version lookup to the given application name.

Test plan

make testacc TEST=./aws TESTARGS='-run=TestAccAWSBeanstalkApp'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./aws -v -run=TestAccAWSBeanstalk -timeout 120m
=== RUN   TestAccAWSBeanstalkApp_basic
--- PASS: TestAccAWSBeanstalkApp_basic (49.85s)
=== RUN   TestAccAWSBeanstalkAppVersion_basic
--- PASS: TestAccAWSBeanstalkAppVersion_basic (84.59s)
=== RUN   TestAccAWSBeanstalkAppVersion_duplicateLabels
--- PASS: TestAccAWSBeanstalkAppVersion_duplicateLabels (116.77s)

[stack72]

LGTM - the description was confusing for a little bit

Confirmed in slack to be:

it’s to allow duplicates _across_ applications
in other words it’s allowing you to scope the namespace to an application

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

If you feel this issue should be reopened, we encourage creating a new issue linking back to this one for added context. Thanks!