chore(deps): pin ghcr.io/platform-mesh/provider-quickstart-armament-sync docker tag to 0a57cea

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

Author: renovate[bot]

deploy/helm/wildwest-armament-sync/values.yaml

@@ -6,7 +6,7 @@ image:
   # Empty -> falls back to the chart appVersion. CI packages the chart with
   # --app-version=<release tag> (matching the image tag pushed by the
   # build-armament-sync job), so the published chart pulls the matching image.
-  tag: ""
+  tag: "@sha256:0a57cea77ca2419c5b5656219b47bcaa2ab5218485ce7ee0873f0b2281038ee4"
 
 imagePullSecrets: []
 nameOverride: ""