Update pr_monitor/Dockerfile to Python 3.9 (#6188)

jackreeceejini · web-flow · commit 60508bc3cc95 · 2023-07-08T01:53:25.000Z
Fixes #6175
diff --git a/dev_tools/pr_monitor/Dockerfile b/dev_tools/pr_monitor/Dockerfile
@@ -23,7 +23,7 @@
 # value of the cirqbot-api-key secret.
 ########################################################################################
 
-FROM python:3.7-slim@sha256:1689dea3fe5e2f230c3b2d0cc18b64e96f8214082c78792c67dbc1bda9b6c67c
+FROM python:3.9-slim
 
 RUN mkdir -p /app/dev_tools/pr_monitor
 WORKDIR /app
