Fix some workflows where pdal is not available

.ci/ogc/build.sh

@@ -36,6 +36,7 @@ cmake -GNinja \
  -DWITH_SERVER=ON \
  -DWITH_SERVER_PLUGINS=ON \
  -DWITH_ORACLE=OFF \
+ -DWITH_PDAL=OFF \
  -DDISABLE_DEPRECATED=ON \
  -DCXX_EXTRA_FLAGS="${CLANG_WARNINGS}" \
  -DCMAKE_C_COMPILER=/bin/clang \

ms-windows/mingw/build.sh

@@ -95,6 +95,7 @@ mkdir -p "$BUILDDIR"
     -DQGIS_QML_SUBDIR=lib/qt5/qml \
     -DBINDINGS_GLOBAL_INSTALL=ON \
     -DSIP_GLOBAL_INSTALL=ON \
+    -DWITH_PDAL=OFF \
     -DWITH_SERVER=ON \
     -DWITH_SERVER_LANDINGPAGE_WEBAPP=ON \
     -DTXT2TAGS_EXECUTABLE= \