Support check_disks in the device_posture_rule input block schema

[aborrello]

Note: This PR is pending the cloudflare/cloudflare-go#1197 enhancement to be released in v0.63.0 of the cloudflare-go library.

Implements the check_disks configuration value in the input nested schema for the device_posture_rule resource. This value accepts a list of strings, each of which is a discrete volume to check for encryption.

This PR additionally splits the TestAccCloudflareDevicePostureRule_DiskEncryption test into _RequireAll and _CheckDisks.

@jacobbednarz an additional PR may be required to remove Computed from the schema for require_all as this value is now user-configurable.

Related Issues
Closes #1644

[github-actions]

changelog detected ✅

[jacobbednarz]

acceptance tests are passing

TF_ACC=1 go test ./internal/sdkv2provider -v -run "^TestAccCloudflareDevicePostureRule_" -timeout 120m -parallel 1
=== RUN   TestAccCloudflareDevicePostureRule_SerialNumber
--- PASS: TestAccCloudflareDevicePostureRule_SerialNumber (37.99s)
=== RUN   TestAccCloudflareDevicePostureRule_OsVersion
--- PASS: TestAccCloudflareDevicePostureRule_OsVersion (24.75s)
=== RUN   TestAccCloudflareDevicePostureRule_LinuxOsDistro
--- PASS: TestAccCloudflareDevicePostureRule_LinuxOsDistro (20.36s)
=== RUN   TestAccCloudflareDevicePostureRule_DomainJoined
--- PASS: TestAccCloudflareDevicePostureRule_DomainJoined (22.43s)
=== RUN   TestAccCloudflareDevicePostureRule_Firewall
--- PASS: TestAccCloudflareDevicePostureRule_Firewall (18.23s)
=== RUN   TestAccCloudflareDevicePostureRule_DiskEncryption_RequireAll
--- PASS: TestAccCloudflareDevicePostureRule_DiskEncryption_RequireAll (27.92s)
=== RUN   TestAccCloudflareDevicePostureRule_DiskEncryption_CheckDisks
--- PASS: TestAccCloudflareDevicePostureRule_DiskEncryption_CheckDisks (18.08s)
PASS
ok  	github.com/cloudflare/terraform-provider-cloudflare/internal/sdkv2provider	170.796s

@aborrello this looks ready to merge. do you have any other changes before i merge it in?

[aborrello]

Nope, everything looks good on my end. Happy for you to merge when ready 🚀

[jacobbednarz]

thanks for this, you rock 🤘

[github-actions]

This functionality has been released in v4.2.0 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!