ci : add caching for ROCm installation in release workflow

This commit applies the same caching to the release workflow which
currently exists for the main CI workflow that was introduced in Commit
ff02caf ("ci : cache ROCm installation
in windows-latest-cmake-hip (ggml-org#15887)").

Author: danbev

.github/workflows/release.yml

@@ -544,27 +544,52 @@ jobs:
         run: |
           git clone https://github.com/rocm/rocwmma --branch rocm-6.2.4 --depth 1
 
+      - name: Cache ROCm Installation
+        id: cache-rocm
+        uses: actions/cache@v4
+        with:
+          path: C:\Program Files\AMD\ROCm
+          key: rocm-6.1-${{ runner.os }}-v1
+          restore-keys: |
+            rocm-6.1-${{ runner.os }}-
+
       - name: ccache
         uses: ggml-org/ccache-action@v1.2.16
         with:
           key: windows-latest-cmake-hip-${{ matrix.name }}-x64
           evict-old-files: 1d
 
-      - name: Install
+      - name: Install ROCm
+        if: steps.cache-rocm.outputs.cache-hit != 'true'
         id: depends
         run: |
           $ErrorActionPreference = "Stop"
           write-host "Downloading AMD HIP SDK Installer"
           Invoke-WebRequest -Uri "https://download.amd.com/developer/eula/rocm-hub/AMD-Software-PRO-Edition-24.Q3-WinSvr2022-For-HIP.exe" -OutFile "${env:RUNNER_TEMP}\rocm-install.exe"
           write-host "Installing AMD HIP SDK"
           $proc = Start-Process "${env:RUNNER_TEMP}\rocm-install.exe" -ArgumentList '-install' -NoNewWindow -PassThru
-          $proc.WaitForExit(600000)
+          $completed = $proc.WaitForExit(600000)
+          if (-not $completed) {
+              Write-Error "ROCm installation timed out after 10 minutes. Killing the process"
+              $proc.Kill()
+              exit 1
+          }
+          if ($proc.ExitCode -ne 0) {
+              Write-Error "ROCm installation failed with exit code $($proc.ExitCode)"
+              exit 1
+          }
           write-host "Completed AMD HIP SDK installation"
 
       - name: Verify ROCm
         id: verify
         run: |
-          & 'C:\Program Files\AMD\ROCm\*\bin\clang.exe' --version
+          # Find and test ROCm installation
+          $clangPath = Get-ChildItem 'C:\Program Files\AMD\ROCm\*\bin\clang.exe' | Select-Object -First 1
+          if (-not $clangPath) {
+            Write-Error "ROCm installation not found"
+            exit 1
+          }
+          & $clangPath.FullName --version
 
       - name: Build
         id: cmake_build