build(deps): bump actions/setup-go from 5 to 6 in /.github/actions/e2e (#2825)

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 5 to 6.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/actions/e2e/action.yml

@@ -56,7 +56,7 @@ runs:
       github-token: ${{ inputs.github-token }}
 
   - name: Setup Go
-    uses: actions/setup-go@v5
+    uses: actions/setup-go@v6
     with:
       go-version-file: go.mod
       cache-dependency-path: "**/*.sum"