Add E2E test for custom labels/annotations to function pods

[viveksinghggits]

Change Overview

This PR adds e2e test to verify that the labels and annotations configured via the actionset and blueprint are properly added to the pod that is created via the kanister functions run by an actionset.

Pull request type

Please check the type of change your PR introduces:

• 🚧 Work in Progress
• 🌈 Refactoring (no functional changes, no api changes)
• 🐹 Trivial/Minor
• 🐛 Bugfix
• 🌻 Feature
• 🗺️ Documentation
• 🤖 Test
• 🏗️ Build

Issues

• fixes #issue-number

Test Plan

• 💪 Manual
• ⚡ Unit test
• 💚 E2E

make test
ller).onUpdateActionSet","Line":256,"hostname":"orbstack","level":"info","msg":"Updated ActionSet 'actionset-lkznq' Status-\u003ecomplete","time":"2024-08-22T14:22:06.417586158Z"}
PASS: e2e_test.go:300: E2ESuite.TestPodLabelsAndAnnotations     95.080s
OK: 1 passed
--- PASS: Test (96.73s)
PASS
ok      github.com/kanisterio/kanister/pkg/testing      96.885s
=== RUN   Test
OK: 0 passed
--- PASS: Test (0.00s)
PASS
ok      github.com/kanisterio/kanister/pkg/testing/helm 0.090s

PASS

real 117.83
user 0.00
sys 0.00