[CI] Fail if early hang check fails (#18226)

No idea why I did this before.

Signed-off-by: Sarnie, Nick <[email protected]>

Author: sarnex

.github/workflows/sycl-windows-build.yml

@@ -86,7 +86,6 @@ jobs:
     - name:  Detect hung tests
       if: always()
       shell: powershell
-      continue-on-error: true
       run: |
         Invoke-WebRequest -Uri "https://raw.githubusercontent.com/intel/llvm/refs/heads/sycl/devops/scripts/windows_detect_hung_tests.ps1" -OutFile "windows_detect_hung_tests.ps1"
         powershell.exe -File windows_detect_hung_tests.ps1

.github/workflows/sycl-windows-run-tests.yml

@@ -101,7 +101,6 @@ jobs:
     - name:  Detect hung tests
       if: always()
       shell: powershell
-      continue-on-error: true
       run: |
         Invoke-WebRequest -Uri "https://raw.githubusercontent.com/intel/llvm/refs/heads/sycl/devops/scripts/windows_detect_hung_tests.ps1" -OutFile "windows_detect_hung_tests.ps1"
         powershell.exe -File windows_detect_hung_tests.ps1