chore: bump _code_freeze workflow to v1.4.2

Signed-off-by: oliver könig <okoenig@nvidia.com>

Author: ko3n1g

.github/workflows/release-freeze.yml

@@ -34,7 +34,7 @@ on:
         default: true
 jobs:
   code-freeze:
-    uses: NVIDIA-NeMo/FW-CI-templates/.github/workflows/_code_freeze.yml@v1.4.1
+    uses: NVIDIA-NeMo/FW-CI-templates/.github/workflows/_code_freeze.yml@v1.4.2
     with:
       library-name: Emerging-Optimizers
       python-package: emerging_optimizers