v0.64.7

Changelog

• d8c130f Bump version to v0.64.7
• c46ac9f Merge pull request #871 from zzet/fix/abandoned-commit-test-timing
• 3c9e370 Merge pull request #873 from zzet/fix/upgrade-windows-installer
• 6dd04f7 fix(upgrade): recognise installs made by install.ps1 on Windows
• 5683752 test(mcp): stop TestAbandonedCallReportsCommittedDiskWrite racing the disk