Release 1.1.3

[martinkim0]

• [x] Bump version in pyproject.toml #2704
• [x] If patch release, backport version bump PR into the appropriate branch. Else, create a new branch off main with the appropriate rules #2705
• [ ] ~Trigger a Docker image build in scvi-tools-docker targeting the release branch~
• [ ] ~After image builds and pushes to the registry, run the tutorials using the new image~
• [x] Publish a new release on the tutorials repo off main after all tutorials changes have been merged https://github.com/scverse/scvi-tutorials/releases/tag/1.1.3
• [x] Create a new branch off main in the main repo and run git submodule update --remote, and then merge the PR, with an appropriate backport as needed #2852
• [x] Create a new GitHub release targeting the release branch with the same body as the previous release https://github.com/scverse/scvi-tools/releases/tag/1.1.3
• [x] Check that the version updates correctly on PyPI https://pypi.org/project/scvi-tools/1.1.3/
• [ ] ~Build new Docker images with the stable and semantic versioning tags~
• [x] Check that the feedstock repo updates correctly https://github.com/conda-forge/scvi-tools-feedstock/pull/43
• [ ] ~(Optional) Post threads on Discourse and Twitter~