Bump the actions group across 1 directory with 2 updates

Bumps the actions group with 2 updates in the / directory: [actions/checkout](https://github.com/actions/checkout) and [CodSpeedHQ/action](https://github.com/codspeedhq/action).


Updates `actions/checkout` from 5 to 6
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

Updates `CodSpeedHQ/action` from 4.3.1 to 4.4.1
- [Release notes](https://github.com/codspeedhq/action/releases)
- [Changelog](https://github.com/CodSpeedHQ/action/blob/main/CHANGELOG.md)
- [Commits](CodSpeedHQ/action@v4.3.1...v4.4.1)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: CodSpeedHQ/action
  dependency-version: 4.4.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/CI.yml

@@ -24,7 +24,7 @@ jobs:
           - "3.12"
           - "3.11"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
@@ -37,7 +37,7 @@ jobs:
   mypy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
@@ -54,7 +54,7 @@ jobs:
         # Run on codspeed for walltime and ubuntu for instrumenentation
         runner: [ ubuntu-latest, codspeed-macro ]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
@@ -67,7 +67,7 @@ jobs:
       - run: |
           export UV_PROJECT_ENVIRONMENT="${pythonLocation}"
           uv sync --extra test --locked
-      - uses: CodSpeedHQ/action@v4.3.1
+      - uses: CodSpeedHQ/action@v4.4.1
         with:
           token: ${{ secrets.CODSPEED_TOKEN }}
           # allow updating snapshots due to indeterministic benchmarks
@@ -77,7 +77,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true

.github/workflows/update-changelog.yml

@@ -30,7 +30,7 @@ jobs:
             core.setOutput('head_ref', pullRequest.head.ref);
       
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           # Checkout the PR head ref
           ref: ${{ steps.pr-details.outputs.head_ref }}

.github/workflows/version.yml

@@ -35,7 +35,7 @@ jobs:
     outputs:
       version: ${{ steps.bump.outputs.version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: |
           git config user.name github-actions[bot]
           git config user.email 41898282+github-actions[bot]@users.noreply.github.com
@@ -59,11 +59,11 @@ jobs:
     needs: [bump]
     if: ${{ always() }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         if: ${{ needs.bump.result == 'success' }}
         with:
           ref: version-${{ needs.bump.outputs.version }}
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         if: ${{ needs.bump.result == 'skipped' }}
       - uses: PyO3/maturin-action@v1.49.4
         with:
@@ -83,11 +83,11 @@ jobs:
     needs: [bump]
     if: ${{ always() }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         if: ${{ needs.bump.result == 'success' }}
         with:
           ref: version-${{ needs.bump.outputs.version }}
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         if: ${{ needs.bump.result == 'skipped' }}
       - name: Setup QEMU
         uses: docker/setup-qemu-action@v3
@@ -108,11 +108,11 @@ jobs:
     needs: [bump]
     if: ${{ always() }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         if: ${{ needs.bump.result == 'success' }}
         with:
           ref: version-${{ needs.bump.outputs.version }}
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         if: ${{ needs.bump.result == 'skipped' }}
       - uses: PyO3/maturin-action@v1.49.4
         with:
@@ -130,11 +130,11 @@ jobs:
     needs: [bump]
     if: ${{ always() }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         if: ${{ needs.bump.result == 'success' }}
         with:
           ref: version-${{ needs.bump.outputs.version }}
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         if: ${{ needs.bump.result == 'skipped' }}
       - uses: PyO3/maturin-action@v1.49.4
         with:
@@ -169,7 +169,7 @@ jobs:
     permissions: write-all
     needs: [release, bump]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: version-${{ needs.bump.outputs.version }}
       - run: |