Update quay.io/jupyterhub/repo2docker version to 2023.06.0

[jupyterhub-bot]

Updates mybinder to depend on the quay.io/jupyterhub/repo2docker image version 2023.06.0 from version 2022.10.0-169.g6250c06.

PRs

• #909 Let FROM <base_image> in the Dockerfile template be configurable
• #1270 [pre-commit.ci] pre-commit autoupdate
• #1279 build(deps): bump pypa/gh-action-pypi-publish from 1.8.5 to (edit) release/v1
• #1281 Recreate changelog as markdown
• #1282 Fix links to jupyterlab-demo postBuild file
• #1283 Relax pins to major versions and refreeze, introduce explicit jupyter_server v1 pin
• #1285 Microsoft killed MRAN, stop relying on it
• #1286 Add changelog for 2023.06.0

jupyterhub/repo2docker@6250c06...2023.06.0

Related

• Source code: https://github.com/jupyterhub/repo2docker
• Changelog: https://repo2docker.readthedocs.io/en/latest/changelog.html

[consideRatio]

I think this is ready to be merged, would feel good to have another review agreeing.

These are the possibly breaking changes I figure, but I figure we need the MRAN fix so it has been broken and this fixes it with a maybe not noticable breaking change.

• #1283 Relax pins to major versions and refreeze, introduce explicit jupyter_server v1 pin
• #1285 Microsoft killed MRAN, stop relying on it

[minrk]

Will merge when I have a chance in about 20