tools: Use stable-3.1 tag for Docker

Since we've removed Python 3.7 support in latest.

Signed-off-by: Stephen Finucane <stephen@that.guru>

diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
index d164e49192fc1f48dd11a96a72c3ea5e2f61399b..de6cda565fece79e4ece593611819829180026f3 100644 (file)
--- a/tools/docker/Dockerfile
+++ b/tools/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/getpatchwork/pyenv:latest
+FROM ghcr.io/getpatchwork/pyenv:stable-3.1
 
 ARG UID
 ARG GID