Changing disable_index_adjustment in Pipfile does not invalidate cache

[fridex]

Describe the bug

Changing disable_index_adjustment does not invalidate cache on user-api.

To Reproduce
Steps to reproduce the behavior:

1. Add dependencies to Pipfile, e.g. thamos add tensorflow --index-url 'https://tensorflow.pypi.thoth-station.ninja/index/manylinux2010/AVX2/simple'
2. Ask for an advise
3. Change disable_index_adjustment in Thoth's section of Pipfile
4. See cached results returned

Expected behavior

Changing index adjustment should differentiate requests to Thoth.

[goern]

/priority important-soon

[sesheta]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
Stale issues rot after an additional 30d of inactivity and eventually close.

If this issue is safe to close now please do so with /close.

/lifecycle stale

[harshad16]

/lifecycle frozen

[goern]

is this something we still need to fix? pls review!

[harshad16]

Maybe something discusses and review in the stack guidance sig.
I don't think this is addressed yet.

/sig stack-guidance