Update Symfony Process() usage

[dwoods]

No description provided.

[dwoods]

Fixes #10

[bbenesh]

I tested this locally and it fixed my issues with lando pull on a D10 site.

[tobybellwood]

I'm happy to not handle any b/c in the package - and just make this next release d9+ compatible only (as per #12).

I've not got an example set up to test d8/d9 - but I think @bbenesh might be able to check d9 with the original commit, and not worry about the fallback code?

[bbenesh]

I checked the original commit with my local D9 demo and it worked!

[tobybellwood]

Just reviewing this now, and it no longer works (with our test instance, running ssh portal/token) - will look into it

cli-drupal:/app$ drush la

In RequestException.php line 113:
                                                                                                                        
  Client error: `POST https://api.main.lagoon-core.test6.amazee.io/graphql` resulted in a `401 Unauthorized` response:  
  {"errors":[{"message":"Unauthorized - Bearer token required"}]}    

[tobybellwood]

I"m going to merge this, then PR the SSH Portal fix (it's a bit picker about commands, and doesn't like being passed the token and the 2&>1 redirect, so I'll handle errors in the mustRun