chore(deps): update ghcr.io/open-feature/flagd-testbed-unstable docker tag to v0.5.5 (#852)

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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
           - 8013:8013
       # flagd-testbed for flagd RPC provider reconnect e2e tests
       flagd-unstable:
-        image: ghcr.io/open-feature/flagd-testbed-unstable:v0.5.4
+        image: ghcr.io/open-feature/flagd-testbed-unstable:v0.5.5
         ports:
           - 8014:8013
       # sync-testbed for flagd in-process provider e2e tests

providers/flagd/docker-compose.yaml

@@ -4,7 +4,7 @@ services:
     ports:
       - 8013:8013
   flagd-unstable:
-    image: ghcr.io/open-feature/flagd-testbed-unstable:v0.5.4
+    image: ghcr.io/open-feature/flagd-testbed-unstable:v0.5.5
     ports:
       - 8014:8013
   flagd-sync: