Drop 3.12 out of make-manylinux for now; will come back to it.

scripts/releases/make-manylinux

@@ -116,7 +116,7 @@ if [ -d /gevent -a -d /opt/python ]; then
     mkdir /gevent/wheelhouse
     OPATH="$PATH"
     which auditwheel
-    for variant in `ls -d /opt/python/cp{310,38,39,311,312}*`; do
+    for variant in `ls -d /opt/python/cp{310,38,39,311}*`; do
         export PATH="$variant/bin:$OPATH"
         echo "Building $variant $(python --version)"