250905.095204.CST [skip ci] revise yml regarding GFVER

Author: zaikunzhang

.github/workflows/compile_mex.yml

@@ -111,6 +111,7 @@ jobs:
           if [[ "${MATLAB_VERSION_NUMBER}" != "latest" && "${MATLAB_VERSION_NUMBER}" -le 2021 ]]; then
               GFVER=9
           fi
+          echo "GFVER=$GFVER"
           echo "GFVER=$GFVER" >> $GITHUB_ENV
       - name: Set up gfortran on Linux
         if: startsWith(matrix.os, 'ubuntu')

.github/workflows/test_matlab.yml

@@ -123,6 +123,7 @@ jobs:
           if [[ "${MATLAB_VERSION_NUMBER}" != "latest" && "${MATLAB_VERSION_NUMBER}" -le 2021 ]]; then
               GFVER=9
           fi
+          echo "GFVER=$GFVER"
           echo "GFVER=$GFVER" >> $GITHUB_ENV
       - name: Set up gfortran on Linux
         if: startsWith(matrix.os, 'ubuntu')

.github/workflows/test_matlab_linux.yml

@@ -89,6 +89,7 @@ jobs:
           if [[ "${MATLAB_VERSION_NUMBER}" != "latest" && "${MATLAB_VERSION_NUMBER}" -le 2021 ]]; then
               GFVER=9
           fi
+          echo "GFVER=$GFVER"
           echo "GFVER=$GFVER" >> $GITHUB_ENV
       - name: Set up gfortran on Linux
         if: startsWith(matrix.os, 'ubuntu')