Fleet - v0.9.0-rc.4

What's Changed

• Add descriptions to CRDs by @aruiz14 in https://github.com/rancher/fleet/pull/1798
• Fix patch_crd_descriptions.sh when yq is not installed by @raulcabello in https://github.com/rancher/fleet/pull/1810
• build(deps): bump github.com/cyphar/filepath-securejoin from 0.2.3 to 0.2.4 in /e2e/testenv/infra by @dependabot in https://github.com/rancher/fleet/pull/1763
• Helm Storage Backend With Caching by @raulcabello in https://github.com/rancher/fleet/pull/1809
• Use constants for agent cluster role names by @manno in https://github.com/rancher/fleet/pull/1814
• Initialise cluster registration labels map if empty by @weyfonk in https://github.com/rancher/fleet/pull/1832
• Remove Tekton references from release docs by @weyfonk in https://github.com/rancher/fleet/pull/1833
• build(deps): bump docker/login-action from 2 to 3 by @dependabot in https://github.com/rancher/fleet/pull/1824
• build(deps): bump docker/build-push-action from 2 to 5 by @dependabot in https://github.com/rancher/fleet/pull/1825
• build(deps): bump actions/checkout from 3 to 4 by @dependabot in https://github.com/rancher/fleet/pull/1821
• build(deps): bump aws-actions/configure-aws-credentials from 3 to 4 by @dependabot in https://github.com/rancher/fleet/pull/1822

Full Changelog: https://github.com/rancher/fleet/compare/v0.9.0-rc.3...v0.9.0-rc.4