Update build_wheels_weekly.yml (#740)

Author: rflamary

.github/workflows/build_wheels_weekly.yml

@@ -39,7 +39,7 @@ jobs:
 
     - name: Build wheels
       env:
-        CIBW_SKIP: "pp*-win* pp*-macosx* cp2* pp* cp*musl* cp36* *i686" # remove pypy on mac and win (wrong version)
+        CIBW_SKIP: "pp*-win* pp*-macosx* cp2* pp* cp*musl* cp36* cp37* cp38* *i686" # remove pypy on mac and win (wrong version)
         CIBW_ARCHS_LINUX: auto aarch64 # force aarch64 with QEMU
         CIBW_ARCHS_MACOS: x86_64 universal2 arm64
       run: |