Bump activerecord-nulldb-adapter from 0.9.0 to 1.0.1

Bumps [activerecord-nulldb-adapter](https://github.com/nulldb/nulldb) from 0.9.0 to 1.0.1.
- [Release notes](https://github.com/nulldb/nulldb/releases)
- [Changelog](https://github.com/nulldb/nulldb/blob/master/CHANGES.md)
- [Commits](nulldb/nulldb@v0.9.0...v1.0.1)

---
updated-dependencies:
- dependency-name: activerecord-nulldb-adapter
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Gemfile.lock

@@ -55,8 +55,8 @@ GEM
     activerecord (6.1.7.6)
       activemodel (= 6.1.7.6)
       activesupport (= 6.1.7.6)
-    activerecord-nulldb-adapter (0.9.0)
-      activerecord (>= 5.2.0, < 7.1)
+    activerecord-nulldb-adapter (1.0.1)
+      activerecord (>= 5.2.0, < 7.2)
     activerecord_json_validator (2.1.5)
       activerecord (>= 4.2.0, < 8)
       json_schemer (~> 0.2.18)