build(deps): bump docker/bake-action from 6 to 7

Bumps [docker/bake-action](https://github.com/docker/bake-action) from 6 to 7.
- [Release notes](https://github.com/docker/bake-action/releases)
- [Commits](https://github.com/docker/bake-action/compare/v6...v7)

---
updated-dependencies:
- dependency-name: docker/bake-action
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/build.yml

@@ -136,7 +136,7 @@ jobs:
           buildkitd-flags: --debug
       -
         name: Build test image
-        uses: docker/bake-action@v6
+        uses: docker/bake-action@v7
         with:
           source: .
           targets: integration-test
@@ -334,7 +334,7 @@ jobs:
           buildkitd-flags: --debug
       -
         name: Run
-        uses: docker/bake-action@v6
+        uses: docker/bake-action@v7
         with:
           targets: govulncheck
         env:

.github/workflows/docs-release.yml

@@ -56,7 +56,7 @@ jobs:
           buildkitd-flags: --debug
       -
         name: Generate yaml
-        uses: docker/bake-action@v6
+        uses: docker/bake-action@v7
         with:
           source: ${{ github.server_url }}/${{ github.repository }}.git#${{ env.RELEASE_NAME }}
           targets: update-docs

.github/workflows/docs-upstream.yml

@@ -46,7 +46,7 @@ jobs:
           buildkitd-flags: --debug
       -
         name: Build reference YAML docs
-        uses: docker/bake-action@v6
+        uses: docker/bake-action@v7
         with:
           targets: update-docs
           provenance: false

.github/workflows/e2e.yml

@@ -44,7 +44,7 @@ jobs:
           buildkitd-flags: --debug
       -
         name: Build
-        uses: docker/bake-action@v6
+        uses: docker/bake-action@v7
         with:
           targets: binaries
           set: |
@@ -247,7 +247,7 @@ jobs:
           buildkitd-flags: --debug
       -
         name: Build
-        uses: docker/bake-action@v6
+        uses: docker/bake-action@v7
         with:
           source: ${{ matrix.source }}
           targets: ${{ matrix.targets }}

.github/workflows/validate.yml

@@ -41,7 +41,7 @@ jobs:
       -
         name: Generate matrix
         id: generate
-        uses: docker/bake-action/subaction/matrix@v6
+        uses: docker/bake-action/subaction/matrix@v7
         with:
           target: validate
           fields: platforms
@@ -66,7 +66,7 @@ jobs:
           buildkitd-flags: --debug
       -
         name: Validate
-        uses: docker/bake-action@v6
+        uses: docker/bake-action@v7
         with:
           targets: ${{ matrix.target }}
           set: |