fix: Add endpointslices to list of resources in chart roles

[dabico]

Added endpointslices to the list of resources to the ClusterRole/Role installed by the chart.

What this PR does / why we need it?

Without this permission, Service instances might be omitted from the final report when running kor as a CRON job on a cluster.

PR Checklist

• This PR adds K8s exceptions (false positives)
• This PR adds new code
• This PR includes tests for new/existing code
• This PR adds docs
• This PR updates the Helm chart

GitHub Issue

Closes #544

[yonahd]

@dabico Please bump the chart version in chart.yaml and then run
docker run --rm --volume "$(pwd):/helm-docs" -u $(id -u) jnorwood/helm-docs:latest

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 45.81%. Comparing base (48648be) to head (8c68d6d).
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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #545   +/-   ##
=======================================
  Coverage   45.81%   45.81%           
=======================================
  Files          69       69           
  Lines        3933     3933           
=======================================
  Hits         1802     1802           
  Misses       1832     1832           
  Partials      299      299           

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[dabico]

@yonahd hi, done!