Bump actions/checkout from 2 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v3)

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

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

.github/workflows/docker.yaml

@@ -18,7 +18,7 @@ jobs:
         image_name: ["minioci", "http"]
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Retrieve test data
         if: matrix.image_name == 'http'
         uses: ./.github/actions/gdrive-rclone

.github/workflows/ep-install.yaml

@@ -18,7 +18,7 @@ jobs:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Setup miniconda
         uses: conda-incubator/setup-miniconda@v2
         with:

.github/workflows/packit.yaml

@@ -14,7 +14,7 @@ jobs:
     if: github.repository == 'OSOceanAcoustics/echopype'
     steps:
     - name: Checkout
-      uses: actions/checkout@v2.3.4
+      uses: actions/checkout@v3
       with:
         # fetch all history so that setuptools-scm works
         fetch-depth: 0

.github/workflows/pypi.yaml

@@ -18,7 +18,7 @@ jobs:
     if: github.repository == 'OSOceanAcoustics/echopype'
     steps:
     - name: Checkout
-      uses: actions/checkout@v2.3.4
+      uses: actions/checkout@v3
       with:
         # fetch all history so that setuptools-scm works
         fetch-depth: 0

.github/workflows/windows.yaml

@@ -37,7 +37,7 @@ jobs:
             - 8080:80
       steps:
         - name: Checkout repo
-          uses: actions/checkout@v2
+          uses: actions/checkout@v3
         - name: Copying test data to http server
           run: |
             rm .\echopype\test_data -r -fo