Update Helm release fluent-bit to v0.48.4 (#1328)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

manifests/fluent-bit/Chart.yaml

@@ -3,5 +3,5 @@ name: fluent-bit
 version: 0.0.1
 dependencies:
 - name: fluent-bit
-  version: 0.48.3
+  version: 0.48.4
   repository: https://fluent.github.io/helm-charts