Added kubeclient to context for new adapter creation

[Cali0707]

Fixes the failing integration tests

Proposed Changes

• Add the kubeclient into the context used to create the new adapter in the Update function

[Cali0707]

/cc @pierDipi @creydr

[Cali0707]

/hold
I'll unhold when the integration tests pass

[pierDipi]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Cali0707, pierDipi

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• pkg/source/OWNERS [Cali0707,pierDipi]

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[pierDipi]

/hold unhold once ready

[codecov]

Codecov Report

Merging #1406 (7f935b1) into main (0270076) will increase coverage by 0.02%.
Report is 1 commits behind head on main.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1406      +/-   ##
==========================================
+ Coverage   68.36%   68.39%   +0.02%     
==========================================
  Files          39       39              
  Lines        2368     2370       +2     
==========================================
+ Hits         1619     1621       +2     
  Misses        670      670              
  Partials       79       79              

Files	Coverage Δ
pkg/source/mtadapter/adapter.go	45.07% <100.00%> (+0.57%)	⬆️

[Cali0707]

/unhold
All the tests passed

[creydr]

Thanks for fixing @Cali0707