Bump simonsobs/nextline-graphql from v0.7.6 to v0.7.7

Bumps [simonsobs/nextline-graphql](https://github.com/simonsobs/nextline-graphql) from v0.7.6 to v0.7.7.
- [Release notes](https://github.com/simonsobs/nextline-graphql/releases)
- [Commits](simonsobs/nextline-graphql@v0.7.6...v0.7.7)

---
updated-dependencies:
- dependency-name: simonsobs/nextline-graphql
  dependency-type: direct:production
...

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

backend.Dockerfile

@@ -1,4 +1,4 @@
-FROM ghcr.io/simonsobs/nextline-graphql:v0.7.6
+FROM ghcr.io/simonsobs/nextline-graphql:v0.7.7
 
 # Setup configuration environment
 ENV OCS_CONFIG_DIR=/config