Implement rotation of token used to access go internal modules

[KacperMalachowski]

Description

Rotation of read only access token for our service user, that is used to access go internal modules.
It should be done similar to our current secret rotation mechanism.

Reasons

We use that token to allow teams to acces go internal modules. We need to be sure that it's not long living token in case of leak.

Acceptance Criteria

• Access token to go internal modules is rotated at least after 7 days
• Current access token is replaced with short-living one.