v81.0.3

• bugfix/handle-no-client Updated src/DataModels/ClientStream.php. by @zero-to-prod in #5
• Docgen by David Smith in 608e6b8
• Update devcontainer.json. by David Smith in 4d47632
• Update release workflows by david_smith in 4228898
• Add release.yml. by david_smith in e945a2a
• Update README.md. by david_smith in 2202bf4
• Add backwards compatibility by david_smith in 8ae9373
• Add Roave Backwards Compatibility Check to test.yml by david_smith in 56e23e4
• Update composer.json. by david_smith in 7bb6a17
• Update Dockerfile debug service. by david_smith in fe720aa
• Update Dockerfile to php:8.4-alpine. by david_smith in 9a5a264
• Update Dockerfile to php:8.3-alpine. by david_smith in 0907f61
• Update Dockerfile to php:8.2-alpine. by david_smith in 3959ed2
• Update Dockerfile to php:8.1-alpine. by david_smith in c4764f3