downloads: upgrade CPython 3.10.0a5 to 3.10.0b4

This required a minor patch to no longer apply a patch
against 3.10.

Author: indygreg

cpython-unix/build-cpython.sh

@@ -443,7 +443,7 @@ mv tmp Modules/readline-libedit.c
 # Modules/_hashopenssl.c redefines some libcrypto symbols on Python 3.9 and
 # this makes the linker unhappy. So rename the symbols to work around.
 # https://bugs.python.org/issue41949.
-if [ "${PYTHON_MAJMIN_VERSION}" != "3.8" ]; then
+if [ "${PYTHON_MAJMIN_VERSION}" = "3.9" ]; then
     patch -p1 <<EOF
 diff --git a/Modules/_hashopenssl.c b/Modules/_hashopenssl.c
 index adc8653773..fc9070fc21 100644

pythonbuild/downloads.py

@@ -71,10 +71,10 @@
         "python_tag": "cp39",
     },
     "cpython-3.10": {
-        "url": "https://www.python.org/ftp/python/3.10.0/Python-3.10.0a5.tar.xz",
-        "size": 18286124,
-        "sha256": "0418e57e7036e219f1e6b6303b21e711f64cfd0fddb0894d8f19f37afffc5d4d",
-        "version": "3.10.0a5",
+        "url": "https://www.python.org/ftp/python/3.10.0/Python-3.10.0b4.tar.xz",
+        "size": 18652712,
+        "sha256": "27d2f40401144830bd89d632002d1ab7c7898637f098d83e813e3edf70dd3b40",
+        "version": "3.10.0b4",
         "licenses": ["Python-2.0", "CNRI-Python"],
         "license_file": "LICENSE.cpython.txt",
         "python_tag": "cp310",