Make install.sh not fail during upgrade process

[snandam]

Current behavior

Script runs without any error when Installation script is run first time on a machine

In the case of rerunning the script when there are running ockam processes, script errors out

   INFO Installing Ockam Command ...
   INFO Detecting Operating System and Architecture ...
   INFO Detected Operating System Type: Linux
   INFO Detected CPU Type: x86_64
   INFO Picked Released File Name: ockam.x86_64-unknown-linux-musl
   INFO Creating binary directory at specified install path
   INFO Binary directory successfully created
   INFO Installing latest version
   INFO Downloading https://github.com/build-trust/ockam/releases/latest/download/ockam.x86_64-unknown-linux-musl
curl: (23) Failure writing output to destination

Steps to reproduce

Tested on Ubuntu and CentOS

• Download https://github.com/build-trust/ockam/blob/develop/tools/install.sh
• Update permission chmod +x install.sh
• Run installation ./install.sh
• Wait for a successful install
• Create a node ockam node create
• Run installation ./install.sh again (Fails)
• Find pid for the running process ps aux | grep [o]ckam and kill using kill -9 {PID}
• Run installation ./install.sh again (Succeeds)

Desired behavior

• Ensure that the script gracefully handles situations when there are running ockam processes
• Kill the existing running processes safely asking users permission to kill the process.
• Update error messages and handling to better reflect what's happening in those situation

Ockam Version

v0.108.0

[smoofy24]

I can try to help with this one