chore(ci): AUT-852 bump claude review template to v1.8.4 (#3087)

chore(ci): bump claude review template to v1.8.4

Update the FW-CI-templates _claude_review.yml pin from the v1.8.3 commit
(7d857ec) to the equivalent v1.8.4 commit (209ac79), keeping the inline
version comment in sync.

Signed-off-by: svcnemo-autobot <svcnemo-autobot@nvidia.com>

Author: svcnemo-autobot

.github/workflows/claude-review.yml

@@ -12,7 +12,7 @@ permissions:
 
 jobs:
   claude-review:
-    uses: NVIDIA-NeMo/FW-CI-templates/.github/workflows/_claude_review.yml@7d857ecb93f42b91e53dcc0577ec5402734cb433 #v1.8.3
+    uses: NVIDIA-NeMo/FW-CI-templates/.github/workflows/_claude_review.yml@209ac7913b0419a5ccbac47b02d00fbea4939243 #v1.8.4
     with:
       model: ${{ vars.CLAUDE_MODEL }}
       prompt: |