Bump mopidy-iris from 3.69.3 to 3.70.0

Bumps [mopidy-iris](https://github.com/jaedb/iris) from 3.69.3 to 3.70.0.
- [Release notes](https://github.com/jaedb/iris/releases)
- [Commits](jaedb/Iris@3.69.3...3.70.0)

---
updated-dependencies:
- dependency-name: mopidy-iris
  dependency-version: 3.70.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements-spotify.txt

@@ -2,5 +2,5 @@
 # You need to install these with `sudo pip install --upgrade --force-reinstall -r requirements-spotify.txt`
 Mopidy-Local
 Mopidy-MPD
-Mopidy-Iris==3.69.3
+Mopidy-Iris==3.70.0
 Mopidy-Spotify==5.0.0a3