Merge pull request #47 from justinlaughlin/master

update mfem github action from master -> v2.4

Author: vladotomov

.github/workflows/build-and-test.yml

@@ -42,7 +42,7 @@ jobs:
 
     - name: build Hypre
       if: steps.hypre-cache.outputs.cache-hit != 'true'
-      uses: mfem/github-actions/build-hypre@master
+      uses: mfem/github-actions/build-hypre@v2.5
       with:
         archive: ${{ env.HYPRE_ARCHIVE }}
         dir: ${{ env.HYPRE_TOP_DIR }}
@@ -58,7 +58,7 @@ jobs:
 
     - name: build metis
       if: steps.metis-cache.outputs.cache-hit != 'true'
-      uses: mfem/github-actions/build-metis@master
+      uses: mfem/github-actions/build-metis@v2.5
       with:
         archive: ${{ env.METIS_ARCHIVE }}
         dir: ${{ env.METIS_TOP_DIR }}
@@ -87,7 +87,7 @@ jobs:
 
     - name: build mfem
       if: steps.mfem-cache.outputs.cache-hit != 'true'
-      uses: mfem/github-actions/build-mfem@master
+      uses: mfem/github-actions/build-mfem@v2.5
       with:
         os: ${{ runner.os }}
         hypre-dir: ${{ env.HYPRE_TOP_DIR }}