Updating dependencies and upgrading Gateway API and Inference Extension versions

Version bump (#66) to 0.2.1

Update inference conformance workflow triggers and env

Change workflow trigger to branch for conformance tests

Update GitHub Actions workflow for dynamic versioning

Modify Docker image workflow to handle versioning

Update Docker image workflow to set version

Remove unnecessary line in Docker workflow

Changes to update autoupdate versions based on Cargo.toml (#62)

Update README with Gateway API Conformance Reports section

OrionProxy Gateway API Conformance Testing Result (#56)

Agentgateway Gateway API Conformance Testing Result (#57)

Update inference conformance workflow triggers

Update workflow trigger to push on version tags

Update Docker CI workflow triggers