chore(deps): update twinproduction/gatus docker tag to v5.20.0

Author: renovate-bot

apps/gatus/deployment.yaml

@@ -38,7 +38,7 @@ spec:
         seccompProfile:
           type: "RuntimeDefault"
       containers:
-        - image: "twinproduction/gatus:v5.19.0"
+        - image: "twinproduction/gatus:v5.20.0"
           securityContext:
             allowPrivilegeEscalation: false
             readOnlyRootFilesystem: true