Bring back --allow-releaseinfo-change-suite (#1630)

In #776, we added the `--allow-releaseinfo-change-suite` to avoid
erroring out if the Raspbian apt repo changed suite names.

In #1604, we deleted the `apt update` command entirely, as it seemed
unnecessary after deleting Ansible.

In #1623, we brought back the `apt update` command, but we left off the
flag we were previously using.

In recent installs, I'm seeing this warning:

```bash
4 packages can be upgraded. Run 'apt list --upgradable' to see them.
N: Repository 'http://raspbian.raspberrypi.org/raspbian bullseye InRelease' changed its 'Suite' value from 'stable' to 'oldstable'
Reading package lists... Done
```

For the sake of preserving longstanging behavior, I think we should
bring back the `--allow-releaseinfo-change-suite` flag.

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bundler/bundle/install

@@ -50,7 +50,10 @@ readonly USTREAMER_DEBIAN_PACKAGE
 TINYPILOT_DEBIAN_PACKAGE="$(ls tinypilot*.deb)"
 readonly TINYPILOT_DEBIAN_PACKAGE
 
-apt-get update
+# Update apt package index files, allowing the apt repos to change suite name.
+# See https://github.com/tiny-pilot/tinypilot/issues/764
+apt-get update --allow-releaseinfo-change-suite
+
 apt-get install -y \
   "./${JANUS_DEBIAN_PACKAGE}" \
   "./${USTREAMER_DEBIAN_PACKAGE}" \