ci: minor changes in ways how things build or link

- appveyor: skip BUILD_SHARED_LIBCRN (it is unusable yet)
- azure-pipelines: make all binaries use the same library

.appveyor.yml

@@ -52,7 +52,7 @@ build_script:
       set CXXFLAGS=/Wv:19.29.30037
 
       cmake -Wdev -G"%generator%" -A"%platform%" -S. -Bbuild -DCMAKE_CONFIGURATION_TYPES=Release
-      -DBUILD_CRUNCH=ON -DBUILD_SHARED_LIBCRN=ON -DBUILD_EXAMPLES=ON
+      -DBUILD_CRUNCH=ON -DBUILD_EXAMPLES=ON
       -DUSE_FAST_MATH=OFF
 
       cmake --build build --config Release

.azure-pipelines.yml

@@ -123,7 +123,7 @@ steps:
         cmake_args+=(-DCMAKE_CXX_FLAGS="${COMPILER_FLAGS}")
     fi
     if [ -z "${SOURCE_DIR:-}" ]; then
-        cmake_args+=(-DBUILD_CRUNCH=ON -DBUILD_SHARED_LIBCRN=ON -DBUILD_EXAMPLES=ON)
+        cmake_args+=(-DBUILD_CRUNCH=ON -DBUILD_EXAMPLES=ON -DBUILD_SHARED_LIBS=ON)
     fi
     cmake_args+=(-DUSE_FAST_MATH=OFF)
     cmake -S"${SOURCE_DIR:-.}" -Bbuild "${cmake_args[@]}"