chore(deps): update coverallsapp/github-action action to v2.3.0 (#86)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[coverallsapp/github-action](https://togithub.com/coverallsapp/github-action)
| action | minor | `v2.2.3` -> `v2.3.0` |

---

### Release Notes

<details>
<summary>coverallsapp/github-action
(coverallsapp/github-action)</summary>

###
[`v2.3.0`](https://togithub.com/coverallsapp/github-action/releases/tag/v2.3.0)

[Compare
Source](https://togithub.com/coverallsapp/github-action/compare/v2.2.3...v2.3.0)

##### What's Changed

- Set default values as strings per GH Action requirements by
[@&#8203;littleforest](https://togithub.com/littleforest) in
[https://github.com/coverallsapp/github-action/pull/204](https://togithub.com/coverallsapp/github-action/pull/204)
- Allow pinning of coverage reporter version by
[@&#8203;littleforest](https://togithub.com/littleforest) in
[https://github.com/coverallsapp/github-action/pull/208](https://togithub.com/coverallsapp/github-action/pull/208)

##### New Contributors

- [@&#8203;littleforest](https://togithub.com/littleforest) made their
first contribution in
[https://github.com/coverallsapp/github-action/pull/204](https://togithub.com/coverallsapp/github-action/pull/204)

**Full Changelog**:
coverallsapp/github-action@v2.2.3...v2.3.0

</details>

---

### Configuration

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Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

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

🔕 **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

---

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.github/workflows/ci.yml

@@ -41,5 +41,5 @@ jobs:
 
       # coverage
       - name: Upload coverage to Coveralls
-        uses: coverallsapp/github-action@v2.2.3
+        uses: coverallsapp/github-action@v2.3.0
         if: always()

.github/workflows/pr.yml

@@ -42,6 +42,6 @@ jobs:
 
       # coverage
       - name: Upload coverage to Coveralls
-        uses: coverallsapp/github-action@v2.2.3
+        uses: coverallsapp/github-action@v2.3.0
         if: always()