feat(ci): try install deb in ubuntu ci

.github/workflows/ubuntu.yml

@@ -18,6 +18,10 @@ jobs:
         cmake ../
         make
         cpack -G DEB
+    - name: Try install it
+      run: |
+        cd build
+        sudo apt install ./*.deb
     - uses: actions/upload-artifact@v2
       with:
         name: ubuntu-20.04-deb-package

CMakeLists.txt

@@ -239,7 +239,7 @@ elseif (APPLE)
     # ...
 elseif (UNIX)
     set (CPACK_SYSTEM_NAME "${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
-    set (CPACK_DEBIAN_PACKAGE_DEPENDS "libqt5svg5, libexiv2-14")
+    set (CPACK_DEBIAN_PACKAGE_SHILIBDEPS ON)
     set (CPACK_DEBIAN_PACKAGE_RECOMMENDS "kimageformat-plugins")
 endif()