Bump patch to Python3.14.0a5. (#247)

Update Python to 3.14.0a5.

Also includes:

* python/cpython#130026 testbed symlink handling
* LibFFI 3.4.7
* OpenSSL 3.0.16
* XZ 5.6.4

Author: freakboy3742

Makefile

@@ -18,7 +18,7 @@ BUILD_NUMBER=custom
 # of a release cycle, as official binaries won't be published.
 # PYTHON_MICRO_VERSION is the full version number, without any alpha/beta/rc suffix. (e.g., 3.10.0)
 # PYTHON_VER is the major/minor version (e.g., 3.10)
-PYTHON_VERSION=3.14.0a4
+PYTHON_VERSION=3.14.0a5
 PYTHON_PKG_VERSION=$(PYTHON_VERSION)
 PYTHON_MICRO_VERSION=$(shell echo $(PYTHON_VERSION) | grep -Eo "\d+\.\d+\.\d+")
 PYTHON_PKG_MICRO_VERSION=$(shell echo $(PYTHON_PKG_VERSION) | grep -Eo "\d+\.\d+\.\d+")
@@ -27,10 +27,10 @@ PYTHON_VER=$(basename $(PYTHON_VERSION))
 # The binary releases of dependencies, published at:
 # https://github.com/beeware/cpython-apple-source-deps/releases
 BZIP2_VERSION=1.0.8-1
-LIBFFI_VERSION=3.4.6-1
+LIBFFI_VERSION=3.4.7-1
 MPDECIMAL_VERSION=4.0.0-1
-OPENSSL_VERSION=3.0.15-1
-XZ_VERSION=5.6.2-1
+OPENSSL_VERSION=3.0.16-1
+XZ_VERSION=5.6.4-1
 
 # Supported OS
 OS_LIST=macOS iOS tvOS watchOS