Update spack-stack install path for Hera (#97)

This updates the installation path for spack-stack on Hera in
preparation for the migration from /scratch(1/2) to /scratch(3/4).

.github/workflows/linters.yaml

@@ -31,7 +31,7 @@ jobs:
 
       - if: ${{ always() }}
         name: Upload artifact with ShellCheck defects in SARIF format
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: Differential ShellCheck SARIF
           path: ${{ steps.ShellCheck.outputs.sarif }}

modulefiles/gfsutils_hera.intel.lua

@@ -2,7 +2,7 @@ help([[
 Build environment for GFS utilities on Hera
 ]])
 
-prepend_path("MODULEPATH", "/scratch1/NCEPDEV/nems/role.epic/spack-stack/spack-stack-1.6.0/envs/gsi-addon-dev-rocky8/install/modulefiles/Core")
+prepend_path("MODULEPATH", "/contrib/spack-stack/spack-stack-1.6.0/envs/gsi-addon-dev-rocky8/install/modulefiles/Core")
 
 local stack_intel_ver=os.getenv("stack_intel_ver") or "2021.5.0"
 local stack_impi_ver=os.getenv("stack_impi_ver") or "2021.5.1"