Bump NVIDIA/holodeck from 0.2.4 to 0.2.6

Bumps [NVIDIA/holodeck](https://github.com/nvidia/holodeck) from 0.2.4 to 0.2.6.
- [Release notes](https://github.com/nvidia/holodeck/releases)
- [Commits](NVIDIA/holodeck@v0.2.4...v0.2.6)

---
updated-dependencies:
- dependency-name: NVIDIA/holodeck
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/e2e.yml

@@ -40,7 +40,7 @@ jobs:
           echo "GOLANG_VERSION=${GOLANG_VERSION##GOLANG_VERSION := }" >> $GITHUB_ENV
 
       - name: Set up Holodeck
-        uses: NVIDIA/holodeck@v0.2.4
+        uses: NVIDIA/holodeck@v0.2.6
         with:
           aws_access_key_id: ${{ secrets.AWS_ACCESS_KEY_ID }}
           aws_secret_access_key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}