chore(deps): update ghcr.io/commit-boost/pbs docker tag to v0.9.3 (#257)

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

Author: renovate[bot]

compose-mev.yml

@@ -11,7 +11,7 @@ services:
 
   mev-commitboost:
     profiles: [mev-commitboost]
-    image: ghcr.io/commit-boost/pbs:${MEV_COMMITBOOST_VERSION:-v0.9.2}
+    image: ghcr.io/commit-boost/pbs:${MEV_COMMITBOOST_VERSION:-v0.9.3}
     environment:
       - CB_CONFIG=/etc/commit-boost/config.toml
     volumes: