Bump the github-actions group across 1 directory with 2 updates (dart-lang/mockito#761)

Bumps the github-actions group with 2 updates in the / directory: [actions/checkout](https://github.com/actions/checkout) and [dart-lang/setup-dart](https://github.com/dart-lang/setup-dart).


Updates `actions/checkout` from 4.1.1 to 4.1.7
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@b4ffde6...692973e)

Updates `dart-lang/setup-dart` from 1.6.2 to 1.6.5
- [Release notes](https://github.com/dart-lang/setup-dart/releases)
- [Changelog](https://github.com/dart-lang/setup-dart/blob/main/CHANGELOG.md)
- [Commits](dart-lang/setup-dart@fedb126...0a8a0fc)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions
- dependency-name: dart-lang/setup-dart
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions
...

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

Author: dependabot[bot]

pkgs/mockito/.github/workflows/test-package.yml

@@ -21,8 +21,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-      - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
         with:
           sdk: 3.3.0
       - id: install
@@ -39,8 +39,8 @@ jobs:
       matrix:
         sdk: [3.3.0, dev]
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-      - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
         with:
           sdk: ${{ matrix.sdk }}
       - id: install
@@ -61,8 +61,8 @@ jobs:
         os: [ubuntu-latest]
         sdk: [3.3.0, dev]
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-      - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
         with:
           sdk: ${{ matrix.sdk }}
       - id: install
@@ -86,8 +86,8 @@ jobs:
       matrix:
         os: [ubuntu-latest]
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-      - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
         with:
           sdk: dev
       - id: install