Bump actions/checkout from 2 to 6 in the actions group (#104)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Eric Larson <larson.eric.d@gmail.com>

Author: dependabot[bot]

.github/dependabot.yml

@@ -8,7 +8,7 @@ updates:
       actions:
         patterns:
           - "*"
-    labels:
-      - no-changelog-entry-needed
+    commit-message:
+      prefix: "[dependabot]"
     cooldown:
       default-days: 7

.github/workflows/main.yml

@@ -33,7 +33,7 @@ jobs:
     continue-on-error: true
     name: python-${{ matrix.python-version }}-numba-${{ matrix.numba }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v6
     - uses: conda-incubator/setup-miniconda@v3
       with:
         activate-environment: 'mne-features'

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
   package:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       - uses: actions/setup-python@v6