Athenz v1.11.51 Release

What's Changed

• remove gcp related changes by @jimmytsang in #2485
• introduce environment metadata field for domains by @havetisyan in #2487
• Adding Vespa.ai as an adopter by @frodelu in #2490
• Update go clients to support additional request headers by @yosrixp in #2489
• [skip ci] update developer documentation by @havetisyan in #2491
• mark athenz directory as a safe by @hiragi-gkuth in #2492
• support internal authz check with roles specified by @havetisyan in #2494
• improve interoperability between self-signer in dev environments with openssl generated certs by @havetisyan in #2495
• increase width for email notification body to full page by @havetisyan in #2496
• update java/go dependencies to their latest releases by @havetisyan in #2497

New Contributors

• @frodelu made their first contribution in #2490
• @yosrixp made their first contribution in #2489

Full Changelog: v1.11.50...v1.11.51