[3.18] main/git: security upgrade to 2.40.3
https://github.com/git/git/compare/v2.40.1...v2.40.3
https://github.com/git/git/commit/b9b439e0e3a543ddb920e4cf8d3c9d53f730111f#diff-c80342be65fcd362ef6563c59ae987d4f096725a14bcb7954123154254d101de https://github.com/git/git/commit/dbecc617f75eea6ee5d05823a38b91223ff22b11#diff-b989b3ab74dc4c624335875feab45501be59f3d9a22be9e1a704054f675ec110
- CVE-2024-32002
- CVE-2024-32004
- CVE-2024-32020
- CVE-2024-32021
- CVE-2024-32465