Fix up task logs for environment names with slash in the name

[shreddedbacon]

Checklist

• Affected Issues have been mentioned in the Closing issues section
• Documentation has been written/updated
• PR title is ready for changelog and subsystem label(s) applied

Currently if an environment has / in the name or is too long, the task logs may not be retrievable.

This adds the name shortening and making safe the environment name to match how they are stored in the bucket correctly

Closing issues

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