chore(deps): bump library/busybox in /test/e2e/multiarch-container

Bumps library/busybox from `bb02074` to `6776a33`.

---
updated-dependencies:
- dependency-name: library/busybox
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

test/e2e/multiarch-container/Dockerfile

@@ -1,2 +1,2 @@
-FROM docker.io/library/busybox@sha256:bb02074c822cfe6180486e4c3a50f2654c0447175b4a58ad8fa1a5d6ecdc1028
+FROM docker.io/library/busybox@sha256:6776a33c72b3af7582a5b301e3a08186f2c21a3409f0d2b52dfddbdbe24a5b04
 CMD exec sh -c "trap : TERM INT; echo 'Hi' && tail -f /dev/null"