add single test for building libumf.so to gha

Author: bratpiorka

.github/workflows/basic.yml

@@ -12,13 +12,18 @@ jobs:
         build_type: [Debug, Release]
         compiler: [{c: gcc, cxx: g++}]
         pool_tracking: ['-DUMF_ENABLE_POOL_TRACKING=ON', '-DUMF_ENABLE_POOL_TRACKING=OFF']
+        shared_library: ['-DUMF_BUILD_SHARED_LIBRARY=OFF']
         include:
           - os: 'ubuntu-20.04'
             build_type: Release
             compiler: {c: gcc-7, cxx: g++-7}
           - os: 'ubuntu-22.04'
             build_type: Release
-            compiler: {c: clang, cxx: clang++}
+            compiler: {c: clang, cxx: clang++}            
+          - os: 'ubuntu-22.04'
+            build_type: Release
+            compiler: [{c: gcc, cxx: g++}]
+            shared_library: '-DUMF_BUILD_SHARED_LIBRARY=ON'
     runs-on: ${{matrix.os}}
 
     steps:
@@ -46,6 +51,7 @@ jobs:
           -DUMF_DEVELOPER_MODE=ON
           -DUMF_BUILD_LIBUMF_POOL_JEMALLOC=ON
           ${{matrix.pool_tracking}}
+          ${{matrix.shared_library}}
 
       - name: Build UMF
         run: |