Not able to upgrade from 1.7.19 to 1.8.1

#1
I have a notification in my LiteSpeed WebAdmin Console saying an upgrade is available to 1.8.1.
I followed the instructions at https://openlitespeed.org/kb/upgrade-ols-to-edge-tier/#UbuntuDebian to enable upgrade of OLD to Edge Tier.

When I run apt-get update I get the following:
Hit:1 https://repos-droplet.digitalocean.com/apt/droplet-agent main InRelease
Hit:2 https://repos.insights.digitalocean.com/apt/do-agent main InRelease
Hit:3 http://security.ubuntu.com/ubuntu jammy-security InRelease
Hit:4 http://mirrors.digitalocean.com/ubuntu jammy InRelease
Ign:5 http://rpms.litespeedtech.com/debian jammy InRelease
Hit:6 http://mirrors.digitalocean.com/ubuntu jammy-updates InRelease
Hit:8 http://mirrors.digitalocean.com/ubuntu jammy-backports InRelease
Ign:9 http://rpms.litespeedtech.com/edge/debian jammy InRelease
Hit:10 http://rpms.litespeedtech.com/debian jammy Release
Hit:7 https://downloads.mariadb.com/Tools/ubuntu jammy InRelease
Get:12 https://dlm.mariadb.com/repo/mariadb-server/10.11/repo/ubuntu jammy InRelease [7767 B]
Err:13 http://rpms.litespeedtech.com/edge/debian jammy Release
404 Not Found [IP: 208.167.239.232 80]
Get:14 https://dlm.mariadb.com/repo/maxscale/latest/apt jammy InRelease [9338 B]
Reading package lists... Done
E: The repository 'http://rpms.litespeedtech.com/edge/debian jammy Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

When I subsequently run sudo apt install --upgrade openlitespeed
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
openlitespeed is already the newest version (1.7.19-5+jammy).

I suspect the issue is either with the edge repository returning a 404 or the reposiroty not having a release file and being http instead of https?
Can someone help me resolve this please.
 
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