fix(ticker): stop all tickers to prevent goroutine leak

[Succo]

According to https://pkg.go.dev/time#NewTicker
It is a good practice to Stop a ticker when it goes unused to release the ressources a goroutine in this case)

[pulak-opti]

Hi @Succo, thanks for opening this PR!

Can you please update your branch with master?

[Succo]

Hey @pulak-opti

No problem, it should be good

[Succo]

Mmm I'm not sure the failed test are related to my review

"Error: Input required and not supplied: token"

Looks like a config issue

[pulak-opti]

LGTM!
Mentioning @yasirfolio3 for a final check!

[yasirfolio3]

LGTM, can you please update the headers with the current year 2023 in all the files.

[Succo]

Yes

[pulak-opti]

Hi @Succo
Please sign the CLA as per the contributing guideline.
https://github.com/optimizely/go-sdk/blob/master/CONTRIBUTING.md

[Succo]

Should be good.
Let me know if you didn't get it

[pulak-opti]

Hi @Succo
Please make sure the user associate with the commits is same as @Succo. I see it is showing up as "Fabrice Vaillant".

[Succo]

I changed the user and force pushed the branch with the new author

[pulak-opti]

The fix is merged here #375.

Thank you for your contribution