Update Helm release matrix-synapse to v3.10.3 (#915)

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

clusters/cl01tl/platform/matrix-synapse/Chart.yaml

@@ -31,7 +31,7 @@ maintainers:
   - name: alexlebens
 dependencies:
   - name: matrix-synapse
-    version: 3.10.2
+    version: 3.10.3
     repository: https://ananace.gitlab.io/charts
   - name: app-template
     alias: matrix-hookshot