Use Python 3.8

Required by Requests 2.32 (following #104).

README.md

@@ -4,7 +4,7 @@
 
 Install:
 
-- Python 3, at least Python 3.6.
+- Python 3, at least Python 3.8.
 - Node.js, at least Node.js 18.
   - One way to manage Node versions is using [nvm](https://github.com/nvm-sh/nvm).
 - [Black](https://black.readthedocs.io/en/stable/index.html), if you plan on contributing changes to the Python backend.

deploy/cron_scripts/update_latest.sh

@@ -20,9 +20,9 @@ cd "$REPO_DIR/scrapers"
 git checkout -f deploy -q
 git pull -q
 
-# The scripts machine we use has Python 3.6, so use that.
+# The scripts machine we use has Python 3.8, so use that.
 # This updates $OUT_FILE.
-python3.6 update.py
+python3.8 update.py
 OUT_FILE="$REPO_DIR/public/latest.json"
 
 # Copy $OUT_FILE to the output directory, so it can be served to the internet.