chore: upgrade ROCm version from 7.2 to 7.2.1 across configuration and documentation

.github/workflows/prune-old-toolboxes.yml

@@ -44,11 +44,11 @@ jobs:
         run: |
           IN='${{ github.event.inputs.backends }}'
           if [[ "$IN" == "all" || -z "$IN" ]]; then
-            JSON='["rocm-6.4.2","rocm-6.4.3","rocm-6.4.4","rocm-7.1.1","rocm-7.2","rocm-7beta","rocm7-nightlies","vulkan-amdvlk","vulkan-radv"]'
+            JSON='["rocm-6.4.2","rocm-6.4.3","rocm-6.4.4","rocm-7.1.1","rocm-7.2","rocm-7.2.1","rocm-7beta","rocm7-nightlies","vulkan-amdvlk","vulkan-radv"]'
           else
             IN_CLEAN=$(echo "$IN" | tr -d '[:space:]')
             JSON='["'${IN_CLEAN//,/\",\"}'"]'
-          fi
+          fi`
           echo "list=${JSON}" >> "$GITHUB_OUTPUT"
 
       - name: Prune old tags