Update getsentry/sentry-cli Docker tag to v1.56.1

Author: renovate-bot

src/executors/@executors.yml

@@ -2,7 +2,7 @@ default:
   description: >
     Official sentry-cli Docker image.
   docker:
-    - image: getsentry/sentry-cli:1.41.1@sha256:f4d3fe986af425e701a70d2b90fa83747f8fef9d812187d32c12c64f88f5b9ab
+    - image: getsentry/sentry-cli:1.56.1@sha256:c7f54e050637a7fa7b3d59bc0e0d0d92c648b61df78319025b892630916b1bd5
 scm:
   description: >
     Docker image with common source control management tools installed.