Add Tasks Generation Metadata (#1448)
Add Tasks Generation Metadata (#1448)

This PR was generated using Autosynth. :rainbow:

Here's the log from Synthtool:
```
synthtool > Cloning googleapis.
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:90f9d15e9bad675aeecd586725bce48f5667ffe7d5fc4d1e96d51ff34304815b
Status: Image is up to date for googleapis/artman:latest
synthtool > Running generator for google/cloud/tasks/artman_cloudtasks_v2beta2.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/php/google-cloud-tasks-v2beta2.
synthtool > Running generator for google/cloud/tasks/artman_cloudtasks_v2beta3.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/php/google-cloud-tasks-v2beta3.
synthtool > Replaced 'Task_View' in src/V2beta2/Gapic/CloudTasksGapicClient.php.
synthtool > Replaced 'Task_View' in src/V2beta3/Gapic/CloudTasksGapicClient.php.
synthtool > Replaced 'will be removed in the next major release' in src/V2beta2/Task_View.php.
synthtool > Replaced 'will be removed in the next major release' in src/V2beta2/Queue_State.php.
synthtool > Replaced 'will be removed in the next major release' in src/V2beta3/Task_View.php.
synthtool > Replaced 'will be removed in the next major release' in src/V2beta3/Queue_State.php.
synthtool > Cleaned up 1 temporary directories.
synthtool > Wrote metadata to synth.metadata.

```
jdpedrie/google-cloud-php,googleapis/google-cloud-php,chingor13/google-cloud-php,googleapis/google-cloud-php,jdpedrie/google-cloud-php,chingor13/google-cloud-php,chingor13/google-cloud-php,googleapis/google-cloud-php,jdpedrie/google-cloud-php