Change 'file' to 'filepath' in help

[imjoehaines]

Goal

Change arguments with a type of file to filepath, which is a bit clearer

Browser help

$ ./bin/cli upload-browser --help

  bugsnag-source-maps upload-browser [...opts] 

Options

  --api-key string        your project's API key required                                       
  --overwrite             whether to replace exiting source maps uploaded with the same version 
  --project-root string   the top level directory of your project                               
  --endpoint string       customize the endpoint for Bugsnag On-Premise                         
  --quiet                 less verbose logging                                                  
  --app-version string                                                                          

Single upload

  Options for uploading a source map for a single bundle 

  --source-map filepath   the path to the source map required                                
  --bundle-url url        the URL the bundle is served at (may contain * wildcards) required 
  --bundle filepath       the path to the bundle                                             

Multiple upload

  Options for recursing directory and upload multiple source maps 

  --directory path   the directory to start searching for source maps in required                  
  --base-url url     the base URL that JS bundles are served from (may contain * wildcards)        
                     required                                                                      

Node help

$ ./bin/cli upload-node --help

  bugsnag-source-maps upload-node [...opts] 

Options

  --api-key string        your project's API key required                                       
  --overwrite             whether to replace exiting source maps uploaded with the same version 
  --project-root string   the top level directory of your project                               
  --endpoint string       customize the endpoint for Bugsnag On-Premise                         
  --quiet                 less verbose logging                                                  
  --app-version string                                                                          

Single upload

  Options for uploading a source map for a single bundle 

  --source-map filepath   the path to the source map required 
  --bundle filepath       the path to the bundle required     

Multiple upload

  Options for recursing directory and upload multiple source maps 

  --directory path   the directory to start searching for source maps in required 

ReactNative help

$ ./bin/cli upload-react-native --help

  bugsnag-source-maps upload-react-native [...opts] 

Options

  --api-key string              your project's API key required                                       
  --overwrite                   whether to replace exiting source maps uploaded with the same version 
  --project-root string         the top level directory of your project                               
  --endpoint string             customize the endpoint for Bugsnag On-Premise                         
  --quiet                       less verbose logging                                                  
  --platform string             the application platform, either "android" or "ios" required          
  --app-version string                                                                                
  --code-bundle-id string                                                                             
  --app-version-code string                                                                           
  --app-bundle-version string                                                                         
  --dev                         indicates this is a debug build                                       

Provide souce map and bundle

  Options for uploading a source map and bundle 

  --source-map filepath   the path to the source map required 
  --bundle filepath       the path to the bundle required     

Fetch source map and bundle

  Options for fetching a source map and bundle from the React Native bundler 

  --fetch                          enable fetch mode required                
  --bundler-url url                the URL of the React Native bundle server 
  --bundler-entry-point filepath   the entry point of your React Native app