v3.15.0b4
bpo-37351: Removes libpython38.a from standard Windows distribution (#14276)
bpo-46948: Fix CVE-2022-26488 by ensuring the Windows Installer correctly uses the install path during repair (GH-31726)
Simplify MSI projects.
bpo-33125: Enables building traditional installer for Windows ARM64 (GH-30885)
Issue #23260: Update Windows installer
[3.15] gh-149887: Install python3t.lib for GIL-enabled Windows install (GH-149900)