Linux files are case sensitive: check case of file names in ncipollo/release-action

[colinangusmackay]

Output from a recent run:

Run ncipollo/release-action@v1
  with:
    artifacts: ./out/*.nupkg,./out/*.snupkg,LICENSE,contributors.md,readme.md,./release-notes/release-notes-0.3.1.md
    token: ***
    bodyFile: release-body.md
    prerelease: false
    tag: v0.3.1
    draft: false
    omitBody: false
    omitBodyDuringUpdate: false
    omitName: false
    omitNameDuringUpdate: false
    replacesArtifacts: true
  env:
    STRAVAIG_PACKAGE_VERSION: 0.3.1
    STRAVAIG_IS_STABLE: true
    STRAVAIG_IS_PREVIEW: false
    STRAVAIG_PACKAGE_VERSION_SUFFIX: ~
    STRAVAIG_PACKAGE_FULL_VERSION: 0.3.1
    STRAVAIG_PUBLISH_TO_NUGET: true
    DOTNET_ROOT: /home/runner/.dotnet
Error: Error 404: Not Found

https://github.com/Stravaig-Projects/Stravaig.Extensions.Logging.Diagnostics/runs/1698689567?check_suite_focus=true