Bump arigaio/atlas in /pkg/assembler/backends/ent/migrate (#2425)

Bumps arigaio/atlas from `50ea945` to `777a287`.

---
updated-dependencies:
- dependency-name: arigaio/atlas
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pkg/assembler/backends/ent/migrate/Dockerfile

@@ -1,4 +1,4 @@
-FROM arigaio/atlas:latest-alpine@sha256:50ea945d781abc223673396da451d0b61a246a7c41f09f4e636cd5162b65d152
+FROM arigaio/atlas:latest-alpine@sha256:777a287f22845b264e13dad0b3cea8a085a40b413d9060eafbb93dd5f19bd815
 
 WORKDIR /app