fix(deps): bump runatlantis/atlantis from v0.30.0 to v0.31.0

Bumps [runatlantis/atlantis](https://github.com/runatlantis/atlantis) from v0.30.0 to v0.31.0.
- [Release notes](https://github.com/runatlantis/atlantis/releases)
- [Changelog](https://github.com/runatlantis/atlantis/blob/main/CHANGELOG.md)
- [Commits](runatlantis/atlantis@v0.30.0...v0.31.0)

---
updated-dependencies:
- dependency-name: runatlantis/atlantis
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Dockerfile

@@ -30,7 +30,7 @@ RUN wget -q https://github.com/transcend-io/terragrunt-atlantis-config/releases/
 FROM setup-${TARGETARCH} AS terragrunt-setup
 
 # hadolint ignore=SC3057
-FROM ghcr.io/runatlantis/atlantis:v0.30.0
+FROM ghcr.io/runatlantis/atlantis:v0.31.0
 COPY --from=terragrunt-setup /terragrunt /usr/local/bin/terragrunt
 COPY --from=terragrunt-setup /terragrunt-atlantis-config /usr/local/bin/terragrunt-atlantis-config