.funcignore does not support wildcards

Adding a wildcard to the .funcignore has no effect.

```
cat .funcignore
*.ts

func -v
3.0.3568

func azure functionapp publish myapi --list-included-files | grep .ts | wc
10968 10968 1061578
```

Reproduce the issue with a .funcignore containing *.ts, then run the shown func azure functionapp publish myapi --list-included-files command and check the output for TypeScript files. Done means wildcard patterns in .funcignore exclude matching files from the published file list.

Written by the indexing model from the issue text.