nextstrain/nextclade: 2.0.0-beta.4

⚠️ This is a pre-release. It can contain bugs and significant changes which are not yet finalized. Changes may appear without notice. We recommend to try the pre-releases to learn about upcoming features. For important projects, use stable releases. Commit history (click to expand) - [[`2e6f6ee`](https://github.com/nextstrain/nextclade/commit/2e6f6ee6cc8acdbf9763869b880f76d162fc211d)] chore(ci): ensure even better compatibility of linux gnu binaries Followup of #873 Let's downgrade base image for CI builds to Debian 8, for even better compatibility - [[`ad15870`](https://github.com/nextstrain/nextclade/commit/ad15870b76ba4e1389d02bf133ad309bb6872015)] Merge pull request #874 from nextstrain/chore/ci-improve-linux-gnu-compat-2 - [[`a13be61`](https://github.com/nextstrain/nextclade/commit/a13be6104a0eff28ebffe2db4195974d63bd5236)] chore: release cli 2.0.0-beta.4