Switch all actions to Ninja (#209)

.github/workflows/appimage.yml

@@ -621,6 +621,7 @@ jobs:
           fi
 
           ./configure.sh \
+          -GNinja \
           -DCMAKE_CXX_FLAGS="-DDESKTOP_APP_GLIBMM_BACKPORTS" \
           -DCMAKE_INSTALL_PREFIX=/usr \
           -DTDESKTOP_API_TEST=ON \

.github/workflows/mac-packaged.yml

@@ -194,7 +194,7 @@ jobs:
             echo "ARTIFACT_NAME=Kotatogram" >> $GITHUB_ENV
           fi
 
-          cmake -Bbuild . \
+          cmake -Bbuild -GNinja . \
           -DCMAKE_BUILD_TYPE=Debug \
           -DCMAKE_FIND_FRAMEWORK=LAST \
           -DTDESKTOP_API_TEST=ON \

.github/workflows/win.yml

@@ -472,6 +472,7 @@ jobs:
           cd %REPO_NAME%\Telegram
           
           call configure.bat ^
+          -G Ninja ^
           -D TDESKTOP_API_TEST=ON ^
           -D DESKTOP_APP_USE_PACKAGED=OFF ^
           -D DESKTOP_APP_DISABLE_AUTOUPDATE=ON ^