Update Chart.yaml and changelog for 0.24.3 release

Author: cf-ci-bot-v2

charts/gitops-runtime/Chart.yaml

@@ -14,6 +14,8 @@ maintainers:
 annotations:
   artifacthub.io/alternativeName: "codefresh-gitops-runtime"
   artifacthub.io/changes: |-
+    - kind: changed
+      description: '[app-proxy]fix: git-source permissions are not being calculated for fine-grained tokens (#6683) (#749)'
     - kind: changed
       description: 'chore(CR-30960): update enrichment images tag (#747)'
 dependencies: