Pkg.gc() deletion failure warnings

I’m getting a bunch of these warnings:

┌ Warning: Failed to delete C:\...\.julia\packages\ZipFile\oD4uG
│   exception = IOError: chmod("C:\\....\\.julia\\packages\\ZipFile\\oD4uG\\.appveyor.yml", 0o777): invalid argument (EINVAL)
└ @ Pkg.API C:\Users\HD\.julia\juliaup\julia-1.9.0+0.x64.w64.mingw32\share\julia\stdlib\v1.9\Pkg\src\API.jl:957

Versioninfo:

Julia Version 1.9.0
Commit 8e63055292 (2023-05-07 11:25 UTC)
Platform Info:
  OS: Windows (x86_64-w64-mingw32)
  CPU: 8 × Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-14.0.6 (ORCJIT, skylake)

Any thoughts on how to deal with these?