chore(deps): update terraform cloudflare to ~> 5.16.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
cloudflare (source)	required_provider	minor	~> 5.15.0 → ~> 5.16.0

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Release Notes

cloudflare/terraform-provider-cloudflare (cloudflare)

v5.16.0

Compare Source

Full Changelog: v5.15.0...v5.16.0

Features

• custom_pages: add "waf_challenge" as new supported error page type identifier in both resource and data source schemas
• list: enhance CIDR validator to check for normalized CIDR notation requiring network address for IPv4 and IPv6
• magic_wan_gre_tunnel: add automatic_return_routing attribute for automatic routing control
• magic_wan_gre_tunnel: add BGP configuration support with new BGP model attribute
• magic_wan_gre_tunnel: add bgp_status computed attribute for BGP connection status information
• magic_wan_gre_tunnel: enhance schema with BGP-related attributes and validators
• magic_wan_ipsec_tunnel: add automatic_return_routing attribute for automatic routing control
• magic_wan_ipsec_tunnel: add BGP configuration support with new BGP model attribute
• magic_wan_ipsec_tunnel: add bgp_status computed attribute for BGP connection status information
• magic_wan_ipsec_tunnel: add custom_remote_identities attribute for custom identity configuration
• magic_wan_ipsec_tunnel: enhance schema with BGP and identity-related attributes
• ruleset: add request body buffering support
• ruleset: enhance ruleset data source with additional configuration options
• workers_script: add observability logs attributes to list data source model
• workers_script: enhance list data source schema with additional configuration options

Bug Fixes

• dns_record: remove unnecessary fmt.Sprintf wrapper around LoadTestCase call in test configuration helper function
• load_balancer: fix session_affinity_ttl type expectations to match Float64 in initial creation and Int64 after migration
• workers_kv: handle special characters correctly in URL encoding

Documentation

• account_subscription: update schema description for rate_plan.sets attribute to clarify it returns an array of strings
• api_shield: add resource-level description for API Shield management of auth ID characteristics
• api_shield: enhance auth_id_characteristics.name attribute description to include JWT token configuration format requirements
• api_shield: specify JSONPath expression format for JWT claim locations
• hyperdrive_config: add description attribute to name attribute explaining its purpose in dashboard and API identification
• hyperdrive_config: apply description improvements across resource, data source, and list data source schemas
• hyperdrive_config: improve schema descriptions for cache settings to clarify default values
• hyperdrive_config: update port description to clarify defaults for different database types

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