Update base image used by Dockerfile from debian 10 to debian 11

I built a docker image with this change and verified that it successfully started zcashd
2021-09-23 14:03:29 -06:00 · 2021-09-23 14:03:29 -06:00 · 21d6835efa
parent 4f43b694c4
commit 21d6835efa
1 changed files with 1 additions and 1 deletions
--- a/contrib/docker/Dockerfile
+++ b/contrib/docker/Dockerfile
@ -1,4 +1,4 @@
-FROM debian:10
+FROM debian:11

 RUN apt-get update \
  && apt-get install -y gnupg2 apt-transport-https curl