Bump docker/bake-action from 5.1.0 to 6.6.0

Bumps [docker/bake-action](https://github.com/docker/bake-action) from 5.1.0 to 6.6.0.
- [Release notes](https://github.com/docker/bake-action/releases)
- [Commits](docker/bake-action@f6acc70...76f9fa3)

---
updated-dependencies:
- dependency-name: docker/bake-action
  dependency-version: 6.6.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/test.yml

@@ -25,7 +25,7 @@ jobs:
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       -
         name: Test
-        uses: docker/bake-action@f6acc70fe0da9b200315017ca49a08c0de03aa0b # v5.1.0
+        uses: docker/bake-action@76f9fa3a758507623da19f6092dc4089a7e61592 # v6.6.0
         with:
           targets: test
       -

.github/workflows/validate.yml

@@ -50,6 +50,6 @@ jobs:
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       -
         name: Validate
-        uses: docker/bake-action@f6acc70fe0da9b200315017ca49a08c0de03aa0b # v5.1.0
+        uses: docker/bake-action@76f9fa3a758507623da19f6092dc4089a7e61592 # v6.6.0
         with:
           targets: ${{ matrix.target }}