Revert previous and try a 20.04 docker image instead.

ee527938 · Moritz Grimm · 7e7035ab · ee527938
Commit ee527938 authored Feb 09, 2021 by Moritz Grimm
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,8 +2,8 @@ version: 2.1
 jobs:
  build:
    parallelism: 1
-    machine:
-      image: ubuntu-2004:202101-01
+    docker:
+    - image: circleci/buildpack-deps:20.04
    working_directory: ~/xiph/ezstream
    shell: /bin/bash --login
    steps: