chore: Consolidate Dependabot updates - Batch 3

[levan-m]

Summary

This PR consolidates 6 Dependabot PRs that only modify GitHub Actions workflows and test/e2e dependencies.

Included PRs (6 total)

GitHub Actions Updates (4 PRs)

• Bump actions/upload-artifact from 6.0.0 to 7.0.0 #2689: Bump actions/upload-artifact from 6.0.0 to 7.0.0
• Bump actions/download-artifact from 7.0.0 to 8.0.0 #2690: Bump actions/download-artifact from 7.0.0 to 8.0.0
• Bump rajatjindal/krew-release-bot from 0.0.50 to 0.0.51 #2691: Bump rajatjindal/krew-release-bot from 0.0.50 to 0.0.51
• Bump actions/setup-go from 6.2.0 to 6.3.0 #2692: Bump actions/setup-go from 6.2.0 to 6.3.0

Go Module Updates (2 PRs)

• Bump github.com/aws/aws-sdk-go-v2/service/cloudformation from 1.68.3 to 1.71.6 in /test/e2e #2694: Bump github.com/aws/aws-sdk-go-v2/service/cloudformation from 1.68.3 to 1.71.6 in /test/e2e
• Bump sigs.k8s.io/kustomize/api from 0.20.1 to 0.21.1 in /test/e2e #2695: Bump sigs.k8s.io/kustomize/api from 0.20.1 to 0.21.1 in /test/e2e

Validation

• ✅ All PRs had passing CI
• ✅ Only workflow files and test/e2e go.mod/go.sum modified
• ✅ Dependabot authorship preserved through cherry-picks
• ✅ Clean working tree

Files Changed

• .github/workflows/build.yml
• .github/workflows/main.yml
• .github/workflows/release.yaml
• .github/workflows/yaml-mapper.yml
• test/e2e/go.mod
• test/e2e/go.sum

🤖 Generated with Claude Code

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 38.81%. Comparing base (f52c174) to head (79f6ea1).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2703   +/-   ##
=======================================
  Coverage   38.81%   38.81%           
=======================================
  Files         307      307           
  Lines       26610    26610           
=======================================
  Hits        10329    10329           
  Misses      15501    15501           
  Partials      780      780           

Flag	Coverage Δ
unittests	38.81% <ø> (ø)

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