podman build

Running
```bash
podman build -t lontronix/devcade .
```
failed with the output:
```bash
STEP 1/8: FROM docker.io/python:3.8-buster
Trying to pull docker.io/library/python:3.8-buster...
Getting image source signatures
Copying blob 819d305a9b22 done |
Copying blob ac8bb7e1a323 done |
Copying blob b1e7e053c9f6 done |
Copying blob a2e1e233599c done |
Copying blob 3b1c264c0ad4 done |
Copying blob 0ebfe287e976 done |
Copying blob a11e135762f0 done |
Copying blob 5e4e21ea7d04 done |
Copying config 406c715302 done |
Writing manifest to image destination
STEP 2/8: LABEL maintainer="Andrew Simonson "
--> a6bb08414399
STEP 3/8: WORKDIR /app
--> d7cee96ad7b9
STEP 4/8: COPY ./requirements.txt requirements.txt
--> 67b6a39ad509
STEP 5/8: RUN apt-get -yq update && pip install --no-cache-dir -r requirements.txt
Ign:1 http://deb.debian.org/debian buster InRelease
Ign:2 http://deb.debian.org/debian-security buster/updates InRelease
Ign:3 http://deb.debian.org/debian buster-updates InRelease
Err:4 http://deb.debian.org/debian buster Release
404 Not Found [IP: 2a04:4e42:3d::644 80]
Err:5 http://deb.debian.org/debian-security buster/updates Release
404 Not Found [IP: 2a04:4e42:3d::644 80]
Err:6 http://deb.debian.org/debian buster-updates Release
404 Not Found [IP: 2a04:4e42:3d::644 80]
Reading package lists...
E: The repository 'http://deb.debian.org/debian buster Release' does not have a Release file.
E: The repository 'http://deb.debian.org/debian-security buster/updates Release' does not have a Release file.
E: The repository 'http://deb.debian.org/debian buster-updates Release' does not have a Release file.
Error: building at STEP "RUN apt-get -yq update && pip install --no-cache-dir -r requirements.txt": while running runtime: exit status 100
```
This was done on a clean git clone on the main branch, on arch.
This is most likely due to the main website `deb.debian.org` not hosting buster and related files anymore.
My best guess on fixes is to change the url to a mirror that has the files or update the pod to use a new version of debian