Configure git safe.directory in entrypoint.sh (#22)

* Get a real pip version

* Configure git safe.directory

Addresses trufflesecurity/trufflehog#2495, as there have been no releases of the pip package since 2.2.1

Update entrypoint.sh

maybe adding config here?

capitalisation

entrypoint.sh

@@ -8,6 +8,8 @@ if [ -n "${INPUT_SCANARGUMENTS}" ]; then
   args="${INPUT_SCANARGUMENTS}" # Overwrite if new options string is provided
 fi
 
+git config --global --add safe.directory '*'
+
 # By default the 'WORKDIR' of our Docker image is set to the 'GITHUB_WORKSPACE'
 # which is mounted into our image. This means, as long as a checkout action was
 # done before our action runs, we'll have access to the repository.