chore(deps): update python docker tag (GoogleCloudPlatform#4922)

Co-authored-by: Charles Engelke <[email protected]>

Author: renovate-bot

appengine/flexible/tasks/Dockerfile

@@ -1,6 +1,6 @@
 # Use the official Python image.
 # https://hub.docker.com/_/python
-FROM python:3.8
+FROM python:3.9
 
 # Copy local code to the container image.
 ENV APP_HOME /app

cloud-sql/mysql/sqlalchemy/Dockerfile

@@ -14,7 +14,7 @@
 
 # Use the official Python image.
 # https://hub.docker.com/_/python
-FROM python:3.8
+FROM python:3.9
 
 # Copy application dependency manifests to the container image.
 # Copying this separately prevents re-running pip install on every code change.

cloud-sql/postgres/sqlalchemy/Dockerfile

@@ -14,7 +14,7 @@
 
 # Use the official Python image.
 # https://hub.docker.com/_/python
-FROM python:3.8
+FROM python:3.9
 
 # Copy application dependency manifests to the container image.
 # Copying this separately prevents re-running pip install on every code change.

cloud-sql/sql-server/sqlalchemy/Dockerfile

@@ -14,7 +14,7 @@
 
 # Use the official Python image.
 # https://hub.docker.com/_/python
-FROM python:3.8-buster
+FROM python:3.9-buster
 
 #Download the desired package(s) for Microsoft ODBC 17 Driver
 RUN (curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -) && \

eventarc/audit-storage/Dockerfile

@@ -16,7 +16,7 @@
 
 # Use the official Python image.
 # https://hub.docker.com/_/python
-FROM python:3.8-slim
+FROM python:3.9-slim
 
 # Allow statements and log messages to immediately appear in the Cloud Run logs
 ENV PYTHONUNBUFFERED True

eventarc/generic/Dockerfile

@@ -16,7 +16,7 @@
 
 # Use the official Python image.
 # https://hub.docker.com/_/python
-FROM python:3.8-slim
+FROM python:3.9-slim
 
 # Allow statements and log messages to immediately appear in the Cloud Run logs
 ENV PYTHONUNBUFFERED True

eventarc/pubsub/Dockerfile

@@ -16,7 +16,7 @@
 
 # Use the official Python image.
 # https://hub.docker.com/_/python
-FROM python:3.8-slim
+FROM python:3.9-slim
 
 # Allow statements and log messages to immediately appear in the Cloud Run logs
 ENV PYTHONUNBUFFERED True

memorystore/redis/cloud_run_deployment/Dockerfile

@@ -1,6 +1,6 @@
 # Use the official lightweight Python image.
 # https://hub.docker.com/_/python
-FROM python:3.8-slim
+FROM python:3.9-slim
 
 # Copy local code to the container image.
 ENV APP_HOME /app

run/hello-broken/Dockerfile

@@ -16,7 +16,7 @@
 
 # Use the official Python image.
 # https://hub.docker.com/_/python
-FROM python:3.8
+FROM python:3.9
 
 # Allow statements and log messages to immediately appear in the Cloud Run logs
 ENV PYTHONUNBUFFERED True

run/helloworld/Dockerfile

@@ -16,7 +16,7 @@
 
 # Use the official lightweight Python image.
 # https://hub.docker.com/_/python
-FROM python:3.8-slim
+FROM python:3.9-slim
 
 # Allow statements and log messages to immediately appear in the Knative logs
 ENV PYTHONUNBUFFERED True