Bumping mattermost-push-proxy to Minor version 6.3.0

Bumping mattermost-push-proxy to Minor version 6.2.0

Bumping mattermost-push-proxy to Minor version 6.1.0

Bumping mattermost-push-proxy to Patch version 6.0.2

[chore] Updating to latest docker build image

Bump major version. Enable multi architecture docker builds

[chore] Using ubuntu 22.04 as base OS Image

Adressing security concerns

[feat] docker - switching to using ubuntu for base image

Dropping alpine linux, in favor of ubuntu. Tackling security concerns

Ticket: https://mattermost.atlassian.net/browse/CLD-7097

[fix] Docker version tagging (#112)

Fixing pushing tag `v5.28.0` instead of required `5.28.0`

Rationale: https://community.mattermost.com/private-core/pl/8bpgzotutpnh8y7xdz6xijt1qr

[fix] Add the dir "logs" into the tarball stracture (#111)

With the changes introduced under #109
We missed the `logs` directory from the tarbal generation.

We fix this now.

before:
```
├── LICENSE.txt
├── NOTICE.txt
├── README.md
├── bin
│   └── mattermost-push-proxy
└── config
    ├── build.txt
    └── mattermost-push-proxy.sample.json
```

after:
```
├── LICENSE.txt
├── NOTICE.txt
├── README.md
├── bin
│   └── mattermost-push-proxy
├── config
│   ├── build.txt
│   └── mattermost-push-proxy.sample.json
└── logs
```