Update actions/checkout action to v4.1.1 (#68)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://togithub.com/actions/checkout) | action |
minor | `v4.0.0` -> `v4.1.1` |

---

### Release Notes

<details>
<summary>actions/checkout (actions/checkout)</summary>

###
[`v4.1.1`](https://togithub.com/actions/checkout/releases/tag/v4.1.1)

[Compare
Source](https://togithub.com/actions/checkout/compare/v4.1.0...v4.1.1)

##### What's Changed

- Update CODEOWNERS to Launch team by
[@&#8203;joshmgross](https://togithub.com/joshmgross) in
[https://github.com/actions/checkout/pull/1510](https://togithub.com/actions/checkout/pull/1510)
- Correct link to GitHub Docs by
[@&#8203;peterbe](https://togithub.com/peterbe) in
[https://github.com/actions/checkout/pull/1511](https://togithub.com/actions/checkout/pull/1511)
- Link to release page from what's new section by
[@&#8203;cory-miller](https://togithub.com/cory-miller) in
[https://github.com/actions/checkout/pull/1514](https://togithub.com/actions/checkout/pull/1514)

##### New Contributors

- [@&#8203;joshmgross](https://togithub.com/joshmgross) made their first
contribution in
[https://github.com/actions/checkout/pull/1510](https://togithub.com/actions/checkout/pull/1510)
- [@&#8203;peterbe](https://togithub.com/peterbe) made their first
contribution in
[https://github.com/actions/checkout/pull/1511](https://togithub.com/actions/checkout/pull/1511)

**Full Changelog**:
actions/checkout@v4.1.0...v4.1.1

###
[`v4.1.0`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v410)

[Compare
Source](https://togithub.com/actions/checkout/compare/v4.0.0...v4.1.0)

- [Add support for partial checkout
filters](https://togithub.com/actions/checkout/pull/1396)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

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

♻ **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/2023-PyConIT-workflow.yaml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Setup Python environment
-        uses: actions/checkout@1e31de5234b9f8995739874a8ce0492dc87873e2 # v4.0.0
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           fetch-depth: 1
       - uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c # v5.0.0
@@ -50,7 +50,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Setup Python environment
-        uses: actions/checkout@1e31de5234b9f8995739874a8ce0492dc87873e2 # v4.0.0
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           fetch-depth: 0
       - uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c # v5.0.0
@@ -68,7 +68,7 @@ jobs:
     needs: [ lint, test ]
     steps:
       - name: Setup Python environment
-        uses: actions/checkout@1e31de5234b9f8995739874a8ce0492dc87873e2 # v4.0.0
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           fetch-depth: 0
       - uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c # v5.0.0

.github/workflows/2023-PyData_Berlin-python-pdf-workflow.yaml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Setup Python environment
-        uses: actions/checkout@1e31de5234b9f8995739874a8ce0492dc87873e2 # v4.0.0
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           fetch-depth: 1
       - uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c # v5.0.0
@@ -50,7 +50,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Setup Python environment
-        uses: actions/checkout@1e31de5234b9f8995739874a8ce0492dc87873e2 # v4.0.0
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           fetch-depth: 0
       - uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c # v5.0.0
@@ -68,7 +68,7 @@ jobs:
     needs: [ lint, test ]
     steps:
       - name: Setup Python environment
-        uses: actions/checkout@1e31de5234b9f8995739874a8ce0492dc87873e2 # v4.0.0
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           fetch-depth: 0
       - uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c # v5.0.0

.github/workflows/2023_EuroSciPy_workflow.yaml

@@ -32,7 +32,7 @@ jobs:
         python-version: [ "3.12" ]
 
     steps:
-      - uses: actions/checkout@1e31de5234b9f8995739874a8ce0492dc87873e2 # v4.0.0
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           fetch-depth: 1
           sparse-checkout: 2023_EuroSciPy