Bump dart-lang/setup-dart from 1.6.5 to 1.7.0 in the github-actions g…

…roup

Closes #205

GitOrigin-RevId: 184393a
Change-Id: I0e2a6f027a5d5650b04bba3ac2facd483ab1a8bb
Reviewed-on: https://dart-review.googlesource.com/c/homebrew-dart/+/398321
Reviewed-by: Alexander Thomas <athom@google.com>
Commit-Queue: Alexander Thomas <athom@google.com>

.github/workflows/test-package.yml

@@ -21,7 +21,7 @@ jobs:
         sdk: [dev, stable]
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
-      - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
+      - uses: dart-lang/setup-dart@e630b99d28a3b71860378cafdc2a067c71107f94
         with:
           sdk: ${{ matrix.sdk }}
       - id: install