chore(deps): update dependency hashicorp/consul to v1.21.2

[renovate]

This PR contains the following updates:

Package	Update	Change
hashicorp/consul	patch	1.21.1 -> 1.21.2

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Release Notes

hashicorp/consul (hashicorp/consul)

v1.21.2

Compare Source

1.21.2 (June 17, 2025)

SECURITY:

• security: Upgrade UBI base image version to address CVE
  CVE-2025-4802
  CVE-2024-40896
  CVE-2024-12243
  CVE-2025-24528
  CVE-2025-3277
  CVE-2024-12133
  CVE-2024-57970
  CVE-2025-31115 [GH-22409]
• cli: update tls ca and cert create to reduce excessive file perms for generated public files [GH-22286]
• connect: Added non default namespace and partition checks to ConnectCA CSR requests. [GH-22376]
• security: Upgrade Go to 1.23.10. [GH-22412]

IMPROVEMENTS:

• config: Warn about invalid characters in datacenter resulting in non-generation of X.509 certificates when using external CA for agent TLS communication. [GH-22382]
• connect: Use net.JoinHostPort for host:port formatting to handle IPv6. [GH-22359]

BUG FIXES:

• http: return a clear error when both Service.Service and Service.ID are missing during catalog registration [GH-22381]
• license: (Enterprise only) Fixed issue where usage metrics are not written to the snapshot to export the license data. [GH-10668]
• wan-federation: Fixed an issue where advertised IPv6 addresses were causing WAN federation to fail. [GH-22226]

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