Bump actions/checkout from 2.4.0 to 3 (#64)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.4.0 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.4.0...v3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/main.yaml

@@ -12,7 +12,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
       - uses: actions/setup-python@v3
       - uses: pre-commit/[email protected]
 
@@ -23,7 +23,7 @@ jobs:
       matrix:
         python-version: ["3.9", "3.10"]
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
       - uses: conda-incubator/setup-miniconda@v2
         with:
           mamba-version: "*"
@@ -61,7 +61,7 @@ jobs:
       matrix:
         python-version: ["3.9", "3.10"]
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
       - uses: conda-incubator/setup-miniconda@v2
         with:
           mamba-version: "*"

.github/workflows/pypipublish.yaml

@@ -8,7 +8,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
       - name: Set up Python
         uses: actions/setup-python@v3
         with: