add gfortran-14 on linux and macos to CI (#108)

Author: andrewwinters5000

.github/workflows/ci.yml

@@ -95,6 +95,18 @@ jobs:
             shell: bash
             test_type: valgrind
             coverage: false
+          - os: ubuntu-24.04
+            os_name: linux
+            compiler: gfortran-14
+            shell: bash
+            test_type: regular
+            coverage: false
+          - os: ubuntu-24.04
+            os_name: linux
+            compiler: gfortran-14
+            shell: bash
+            test_type: valgrind
+            coverage: false
           - os: ubuntu-latest
             os_name: linux
             compiler: ifort
@@ -114,6 +126,12 @@ jobs:
             shell: bash
             test_type: regular
             coverage: false
+          - os: macos-latest
+            os_name: macos
+            compiler: gfortran-14
+            shell: bash
+            test_type: regular
+            coverage: false
           # Windows
           - os: windows-latest
             os_name: windows