chore(deps): update dependency google-cloud-pubsub to v2.13.11 (#514)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-cloud-pubsub](https://togithub.com/googleapis/python-pubsub) | `==2.13.7` -> `==2.13.11` | [![age](https://badges.renovateapi.com/packages/pypi/google-cloud-pubsub/2.13.11/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-cloud-pubsub/2.13.11/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-cloud-pubsub/2.13.11/compatibility-slim/2.13.7)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-cloud-pubsub/2.13.11/confidence-slim/2.13.7)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v2.13.11`](https://togithub.com/googleapis/python-pubsub/blob/HEAD/CHANGELOG.md#&#8203;21311-httpsgithubcomgoogleapispython-pubsubcomparev21310v21311-2022-11-11)

[Compare Source](https://togithub.com/googleapis/python-pubsub/compare/v2.13.10...v2.13.11)

##### Bug Fixes

-   Remove suboptimal logic in leasing behavior ([#&#8203;816](https://togithub.com/googleapis/python-pubsub/issues/816)) ([f067af3](https://togithub.com/googleapis/python-pubsub/commit/f067af348b8d3deb72981c58d942e887c0efb5ff))

### [`v2.13.10`](https://togithub.com/googleapis/python-pubsub/blob/HEAD/CHANGELOG.md#&#8203;21310-httpsgithubcomgoogleapispython-pubsubcomparev2138v21310-2022-10-14)

[Compare Source](https://togithub.com/googleapis/python-pubsub/compare/v2.13.9...v2.13.10)

##### Bug Fixes

-   Batch at most 1,000 ack ids per request ([#&#8203;802](https://togithub.com/googleapis/python-pubsub/issues/802)) ([4361e67](https://togithub.com/googleapis/python-pubsub/commit/4361e6735004a5600ee73979b99e6b9dd587c49b))
-   **deps:** Allow protobuf 3.19.5 ([#&#8203;801](https://togithub.com/googleapis/python-pubsub/issues/801)) ([fa23503](https://togithub.com/googleapis/python-pubsub/commit/fa235033481783c2ec378b2a26b223bdff206461))
-   Silence invalid_ack_id warnings for receipt modacks ([#&#8203;798](https://togithub.com/googleapis/python-pubsub/issues/798)) ([17feea5](https://togithub.com/googleapis/python-pubsub/commit/17feea5783f3a878b4dcfb3a8570585f7637378f))

##### Miscellaneous Chores

-   release as 2.13.10 ([34f022b](https://togithub.com/googleapis/python-pubsub/commit/34f022b4ee62d53a193bc2babafad508e2f2540b))

### [`v2.13.9`](https://togithub.com/googleapis/python-pubsub/releases/tag/v2.13.9)

[Compare Source](https://togithub.com/googleapis/python-pubsub/compare/v2.13.8...v2.13.9)

##### Bug Fixes

-   **deps:** Allow protobuf 3.19.5 ([#&#8203;801](https://togithub.com/googleapis/python-pubsub/issues/801)) ([fa23503](https://togithub.com/googleapis/python-pubsub/commit/fa235033481783c2ec378b2a26b223bdff206461))

### [`v2.13.8`](https://togithub.com/googleapis/python-pubsub/blob/HEAD/CHANGELOG.md#&#8203;2138-httpsgithubcomgoogleapispython-pubsubcomparev2137v2138-2022-10-03)

[Compare Source](https://togithub.com/googleapis/python-pubsub/compare/v2.13.7...v2.13.8)

##### Bug Fixes

-   **deps:** Require protobuf >= 3.20.2 ([#&#8203;792](https://togithub.com/googleapis/python-pubsub/issues/792)) ([1a54f7c](https://togithub.com/googleapis/python-pubsub/commit/1a54f7cd3d997270e0a5d70f7caea32d8753be76))

</details>

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background/app/requirements.txt

@@ -1,3 +1,3 @@
 google-cloud-firestore==2.7.2
-google-cloud-pubsub==2.13.7
+google-cloud-pubsub==2.13.11
 flask==2.2.2