tests: add logs to konnect license test

[pmalek]

What this PR does / why we need it:

Add logs to Konnect license e2e test for easier debugging failures like https://github.com/Kong/kubernetes-ingress-controller/actions/runs/8641557356/job/23691285205#step:8:98

konnect_test.go:98: 
        	Error Trace:	/home/runner/work/kubernetes-ingress-controller/kubernetes-ingress-controller/test/e2e/konnect_test.go:98
        	Error:      	Condition never satisfied
        	Test:       	TestKonnectLicenseActivation
    control_plane.go:68: deleting test Konnect Control Plane: "5eb8f77c-6890-4b2f-ad93-960f88a600d7"
2024/04/11 04:45:25 [DEBUG] GET https://global.api.konghq.tech/v2/users/me
2024/04/11 04:45:25 [DEBUG] GET https://global.api.konghq.tech/v2/users/515d12f2-aab2-42b3-a093-6ad793c0c7ab/assigned-roles?filter%5Bentity_type_name%5D=Runtime+Groups
    control_plane.go:89: deleting test Konnect Control Plane role: "d23d9621-dab6-439f-b[97](https://github.com/Kong/kubernetes-ingress-controller/actions/runs/8641557356/job/23691285205#step:8:98)1-8b4894836eb8"
2024/04/11 04:45:25 [DEBUG] DELETE https://global.api.konghq.tech/v2/users/515d12f2-aab2-42b3-a093-6ad793c0c7ab/assigned-roles/d23d9621-dab6-439f-b971-8b4894836eb8
    helpers_test.go:114: TestKonnectLicenseActivation failed, dumped diagnostics to /tmp/ktf-diag-1807785900

[team-k8s-bot]

E2E (targeted) tests with KIND-based clusters were started at https://github.com/Kong/kubernetes-ingress-controller/actions/runs/8643871510

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.0%. Comparing base (ea1864c) to head (b16a162).

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #5858     +/-   ##
=======================================
+ Coverage   72.0%   74.0%   +1.9%     
=======================================
  Files        178     178             
  Lines      18210   18210             
=======================================
+ Hits       13127   13479    +352     
+ Misses      4107    3734    -373     
- Partials     976     997     +21     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.