Add support for email_list in Access Group resources

[tv]

Adds support for using email_lists inside the access groups. The parameter is documented here in the API.

There was a discussion about this here. Issue was closed as it was pending the cloudflare-go support which has been released quite some time ago already.

[github-actions]

changelog detected ✅

[github-actions]

Marking this pull request as stale due to 14 days of inactivity. This helps our maintainers find and focus on the active pull requests. If this pull request receives no comments in the next 7 days it will automatically be closed. Maintainers can also remove the lifecycle/stale label.
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[jacobbednarz]

thanks! acceptance tests are now passing

TF_ACC=1 go test ./internal/sdkv2provider -v -run "^TestAccCloudflareAccessGroup_" -count 1 -timeout 120m -parallel 1
=== RUN   TestAccCloudflareAccessGroup_ConfigBasicZone
--- PASS: TestAccCloudflareAccessGroup_ConfigBasicZone (13.91s)
=== RUN   TestAccCloudflareAccessGroup_ConfigBasicAccount
--- PASS: TestAccCloudflareAccessGroup_ConfigBasicAccount (17.97s)
=== RUN   TestAccCloudflareAccessGroup_ConfigEmailList
--- PASS: TestAccCloudflareAccessGroup_ConfigEmailList (10.46s)
=== RUN   TestAccCloudflareAccessGroup_Exclude
--- PASS: TestAccCloudflareAccessGroup_Exclude (10.00s)
=== RUN   TestAccCloudflareAccessGroup_Require
--- PASS: TestAccCloudflareAccessGroup_Require (8.51s)
=== RUN   TestAccCloudflareAccessGroup_FullConfig
--- PASS: TestAccCloudflareAccessGroup_FullConfig (8.94s)
=== RUN   TestAccCloudflareAccessGroup_WithIDP
--- PASS: TestAccCloudflareAccessGroup_WithIDP (11.71s)
=== RUN   TestAccCloudflareAccessGroup_WithIDPAuthContext
--- PASS: TestAccCloudflareAccessGroup_WithIDPAuthContext (10.20s)
=== RUN   TestAccCloudflareAccessGroup_Updated
--- PASS: TestAccCloudflareAccessGroup_Updated (14.60s)
=== RUN   TestAccCloudflareAccessGroup_CreateAfterManualDestroy
--- PASS: TestAccCloudflareAccessGroup_CreateAfterManualDestroy (14.82s)
=== RUN   TestAccCloudflareAccessGroup_UpdatedFromCommonNameToCommonNames
--- PASS: TestAccCloudflareAccessGroup_UpdatedFromCommonNameToCommonNames (15.13s)
PASS
ok  	github.com/cloudflare/terraform-provider-cloudflare/internal/sdkv2provider	137.398s

[github-actions]

This functionality has been released in v4.32.0 of the Terraform Cloudflare Provider.

Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!