Update supported_platforms.md

Author: saghul

docs/docs/supported_platforms.md

@@ -8,11 +8,13 @@ sidebar_position: 8
 |---|---|---|
 | GNU/Linux | * | glibc and musl are supported |
 | macOS | macOS >= 11 | Currently supported macOS releases |
-| Windows | >= Windows 8 | VS >= 2022 and Clang are supported |
+| Windows | >= Windows 7* | VS >= 2022 and Clang are supported |
 | FreeBSD | * | Limited testing |
 | OpenBSD | * | Limited testing |
 | NetBSD | * | Limited testing |
 | Android | NDK >= 26.0.10792818 | Limited testing |
 | iOS | * | Limited testing |
 | MinGW | MinGW-w64 | |
 | Other | N/A | Missing? Open a PR! |
+
+- `*`: Windows 7 is EOL and only supported in this project as long as it doesn't interfere with its progress.