Fixes #367 - Do not consider project level glob as additional input v…

[Mobe91]

Fixes #367

Consider a project level glob such as specified via

    <properties>
        <maven.build.cache.input.glob>{*.properties}</maven.build.cache.input.glob>
    </properties>

This change ensures that this glob does not contribute to the cache inputs as additional file or directory, but is only used as glob pattern during walking input directories.

An integration test has been added that demonstrates that unintended files or directories may be considered as cache input with the logic prior to this change.

Under Windows, above configuration would also lead to an exception in the maven-build-cache-extension because {*.properties} would be considered an invalid path.

Caused by: java.nio.file.InvalidPathException: Illegal char <*> at index 1: {*.properties}                                                                                                                                                                                                                                                                                           
    at sun.nio.fs.WindowsPathParser.normalize (WindowsPathParser.java:204)                                                                                                                                                                                                                                                                                                           
    at sun.nio.fs.WindowsPathParser.parse (WindowsPathParser.java:175)                                                                                                                                                                                                                                                                                                               
    at sun.nio.fs.WindowsPathParser.parse (WindowsPathParser.java:77)                                                                                                                                                                                                                                                                                                                
    at sun.nio.fs.WindowsPath.parse (WindowsPath.java:92)                                                                                                                                                                                                                                                                                                                            
    at sun.nio.fs.WindowsFileSystem.getPath (WindowsFileSystem.java:231)                                                                                                                                                                                                                                                                                                             
    at java.nio.file.Path.of (Path.java:148)                                                                                                                                                                                                                                                                                                                                         
    at java.nio.file.Paths.get (Paths.java:69)                                                                                                                                                                                                                                                                                                                                       
    at org.apache.maven.buildcache.checksum.MavenProjectInput.getInputFiles (MavenProjectInput.java:375)

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