chore(deps): update dependency google-cloud-datacatalog to v0.6.0 (#3069)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [google-cloud-datacatalog](https://togithub.com/googleapis/python-datacatalog) | minor | `==0.5.0` -> `==0.6.0` |

---

### Release Notes

<details>
<summary>googleapis/python-datacatalog</summary>

### [`v0.6.0`](https://togithub.com/googleapis/python-datacatalog/blob/master/CHANGELOG.md#&#8203;060httpswwwgithubcomgoogleapispython-datacatalogcomparev050v060-2020-02-24)

[Compare Source](https://togithub.com/googleapis/python-datacatalog/compare/v0.5.0...v0.6.0)

##### Features

-   **datacatalog:** add sample for create a fileset entry quickstart ([#&#8203;9977](https://www.github.com/googleapis/python-datacatalog/issues/9977)) ([16eaf4b](https://www.github.com/googleapis/python-datacatalog/commit/16eaf4b16cdc0ce7361afb1d8dac666cea2a9db0))
-   **datacatalog:** undeprecate resource name helper methods, bump copyright year to 2020, tweak docstring formatting (via synth) ([#&#8203;10228](https://www.github.com/googleapis/python-datacatalog/issues/10228)) ([84e5e7c](https://www.github.com/googleapis/python-datacatalog/commit/84e5e7c340fa189ce4cffca4fdee82cc7ded9f70))
-   add `list_entry_groups`, `list_entries`, `update_entry_group` methods to v1beta1 (via synth) ([#&#8203;6](https://www.github.com/googleapis/python-datacatalog/issues/6)) ([b51902e](https://www.github.com/googleapis/python-datacatalog/commit/b51902e26d590f52c9412756a178265850b7d516))

##### Bug Fixes

-   **datacatalog:** deprecate resource name helper methods (via synth) ([#&#8203;9831](https://www.github.com/googleapis/python-datacatalog/issues/9831)) ([22db3f0](https://www.github.com/googleapis/python-datacatalog/commit/22db3f0683b8aca544cd96c0063dcc8157ad7335))

</details>

---

### Renovate configuration

:date: **Schedule**: At any time (no schedule defined).

:vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

:recycle: **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

:no_bell: **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#GoogleCloudPlatform/python-docs-samples).

Author: renovate-bot

datacatalog/cloud-client/requirements.txt

@@ -1 +1 @@
-google-cloud-datacatalog==0.5.0
+google-cloud-datacatalog==0.6.0