terraform: update cloudflare/cloudflare requirement from ~> 4.0 to ~> 5.6 in /terraform

[dependabot]

Updates the requirements on cloudflare/cloudflare to permit the latest version.

Release notes

Sourced from cloudflare/cloudflare's releases.

v5.6.0

5.6.0 (2025-06-17)

Full Changelog: v5.5.0...v5.6.0

Features

• api: Add IAM User Groups and AutoRAG (56dcaf3)
• api: api update (f5f9fab)
• api: api update (16f59b7)
• api: api update (38cc34f)
• api: api update (87dfb9f)
• api: api update (9d65aaf)
• api: api update (db05444)
• api: api update (d373046)
• api: api update (7f788ec)
• api: api update (c412337)
• api: api update (39a8871)
• api: api update (7af8e9c)
• api: api update (10873d4)
• api: api update (b298896)
• api: api update (2f3e6c2)
• api: api update (280f050)
• api: api update (df6b8bf)
• api: api update (557f7d0)
• api: api update (b53ba74)
• api: api update (971ca4a)
• api: api update (ef92b4a)
• api: api update (79649c8)
• api: api update (dbc97dc)
• api: api update (d09845d)
• client: support environments property from Stainless config (2e9ad1c)
• schema_validation: add terraform resource mappings (e2f968e)
• support import when resource ID is in read method request body (500f710)

Bug Fixes

• add missing properties (a21b2bc)
• api: Update zone subscription paths (e021998)
• page rule panic #5577 (a3c643d)
• schema: better support top-level arrays in paginated responses (e6331d5)
• static_route: API can accept single routes now (ac52503)
• WDAPI: Fix 'id_property' for zero_trust_device_default_profile_local_domain_fallback (c409fd4)

Chores

• api: TTL is required on DNS records (6f3f1cb)
• api: Update Go SDK version for Terraform provider (27e835d)

... (truncated)

Changelog

Sourced from cloudflare/cloudflare's changelog.

5.6.0 (2025-06-17)

Full Changelog: v5.5.0...v5.6.0

Features

• api: Add IAM User Groups and AutoRAG (56dcaf3)
• api: api update (f5f9fab)
• api: api update (16f59b7)
• api: api update (38cc34f)
• api: api update (87dfb9f)
• api: api update (9d65aaf)
• api: api update (db05444)
• api: api update (d373046)
• api: api update (7f788ec)
• api: api update (c412337)
• api: api update (39a8871)
• api: api update (7af8e9c)
• api: api update (10873d4)
• api: api update (b298896)
• api: api update (2f3e6c2)
• api: api update (280f050)
• api: api update (df6b8bf)
• api: api update (557f7d0)
• api: api update (b53ba74)
• api: api update (971ca4a)
• api: api update (ef92b4a)
• api: api update (79649c8)
• api: api update (dbc97dc)
• api: api update (d09845d)
• client: support environments property from Stainless config (2e9ad1c)
• schema_validation: add terraform resource mappings (e2f968e)
• support import when resource ID is in read method request body (500f710)

Bug Fixes

• add missing properties (a21b2bc)
• api: Update zone subscription paths (e021998)
• page rule panic #5577 (a3c643d)
• schema: better support top-level arrays in paginated responses (e6331d5)
• static_route: API can accept single routes now (ac52503)
• WDAPI: Fix 'id_property' for zero_trust_device_default_profile_local_domain_fallback (c409fd4)

Chores

• api: TTL is required on DNS records (6f3f1cb)
• api: Update Go SDK version for Terraform provider (27e835d)
• api: Update Go SDK version for Terraform provider (082cf15)

... (truncated)

Commits

• 81cb126 Merge pull request #5604 from cloudflare/release-please--branches--main--chan...
• 12e0623 release: 5.6.0
• 3053bf8 Rename identifier for zone in zone subscription test data
• 3633c47 Generate docs for v5.6.0
• 6f3f1cb chore(api): TTL is required on DNS records
• 779c686 chore(ci): enable for pull requests
• f0ce47f Bump terraform-plugin-sdk dependency
• 27e835d chore(api): Update Go SDK version for Terraform provider
• 24c025e chore(internal): codegen related update
• e021998 fix(api): Update zone subscription paths
• Additional commits viewable in compare view

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[dependabot]

Superseded by #212.