circle: add back apt-get update

fixes these kinds of errors: ``` E: Failed to fetch http://deb.debian.org/debian/pool/main/p/python3.7/libpython3.7-dev_3.7.6~rc1-1_amd64.deb 404 Not Found [IP: 151.101.200.204 80] E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? ``` example: https://circleci.com/gh/snarfed/oauth-dropins/369
snarfed · Dec 25, 2019 · 919a539 · 919a539
1 parent ff44cae
commit 919a539
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -19,6 +19,7 @@ jobs:
       - run:
           name: Base dependencies
           command: |
+            apt-get update
             apt-get install -y python3
 
       - run: