feat(eps): add new data source to query eps quotas

[Lance52259]

What this PR does / why we need it:
Add new data source to query eps quotas.

Which issue this PR fixes:
(optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged)
fixes #xxx

Special notes for your reviewer:

Release note:

1. add new data source to query eps quotas.

PR Checklist

• Tests added/passed.

./scripts/coverage.sh -o eps -f TestAccDataEnterpriseProjectQuotas_basic
Prepare to calculate the coverage the following command:
TF_ACC=1 go test "./huaweicloud/services/acceptance/eps" -v -coverprofile="./huaweicloud/services/acceptance/eps/eps_coverage.cov" -coverpkg="./huaweicloud/services/eps" -run TestAccDataEnterpriseProjectQuotas_basic -timeout 360m -parallel 10
=== RUN   TestAccDataEnterpriseProjectQuotas_basic
=== PAUSE TestAccDataEnterpriseProjectQuotas_basic
=== CONT  TestAccDataEnterpriseProjectQuotas_basic
--- PASS: TestAccDataEnterpriseProjectQuotas_basic (9.39s)
PASS
coverage: 16.9% of statements in ./huaweicloud/services/eps
ok      github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance/eps       9.507s  coverage: 16.9% of statements in ./huaweicloud/services/eps

• Documentation updated.

• Schema updated.

• CheckDeleted.

  • a. During query operation (Read Context)
    aa. Resource not found
    >>>>>> Paste the screenshot here <<<<<<

  • b. During delete/disassociate/unbind operation (Delete Context)
    ba. Resource not found
    >>>>>> Paste the screenshot here <<<<<<

[github-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This PR has been approved by: @Lance52259

[Lance52259]

./scripts/coverage.sh -o eps -f TestAccDataEnterpriseProjectQuotas_basic
Prepare to calculate the coverage the following command:
TF_ACC=1 go test "./huaweicloud/services/acceptance/eps" -v -coverprofile="./huaweicloud/services/acceptance/eps/eps_coverage.cov" -coverpkg="./huaweicloud/services/eps" -run TestAccDataEnterpriseProjectQuotas_basic -timeout 360m -parallel 10
=== RUN   TestAccDataEnterpriseProjectQuotas_basic
=== PAUSE TestAccDataEnterpriseProjectQuotas_basic
=== CONT  TestAccDataEnterpriseProjectQuotas_basic
--- PASS: TestAccDataEnterpriseProjectQuotas_basic (10.35s)
PASS
coverage: 16.9% of statements in ./huaweicloud/services/eps
ok      github.com/huaweicloud/terraform-provider-huaweicloud/huaweicloud/services/acceptance/eps       10.427s coverage: 16.9% of statements in ./huaweicloud/services/eps