updating sleef installation

Author: SwayamInSync

.github/workflows/build_wheels.yml

@@ -36,7 +36,7 @@ jobs:
           CIBW_BEFORE_ALL: |
             git clone https://github.com/shibatch/sleef.git
             cd sleef
-            cmake -S . -B build -DSLEEF_BUILD_QUAD:BOOL=ON -DSLEEF_BUILD_SHARED_LIBS:BOOL=ON -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+            cmake -S . -B build -DSLEEF_BUILD_QUAD:BOOL=ON -DSLEEF_BUILD_SHARED_LIBS:BOOL=ON -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_INSTALL_PREFIX=../../install
             cmake --build build/ --clean-first -j
             cmake --install build --prefix /usr/local
           CIBW_ENVIRONMENT: >