[Issue 21789] New: Codecov should use default umask for file permissions

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21789

          Issue ID: 21789
           Summary: Codecov should use default umask for file permissions
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: druntime
          Assignee: nobody at puremagic.com
          Reporter: omerfirmak at gmail.com

https://github.com/dlang/druntime/blob/6c3adb102a2a804c802649156ca27cc878aad5d7/src/rt/cover.d#L459-L462

codecov .lst files are created with 0600 by default, they should use umask.

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