build(deps): bump docker/bake-action/subaction/matrix

Bumps [docker/bake-action/subaction/matrix](https://github.com/docker/bake-action) from 7.2.0 to 7.3.0.
- [Release notes](https://github.com/docker/bake-action/releases)
- [Commits](docker/bake-action@6614cfa...d3418bd)

---
updated-dependencies:
- dependency-name: docker/bake-action/subaction/matrix
  dependency-version: 7.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/validate.yml

@@ -26,7 +26,7 @@ jobs:
       -
         name: Generate matrix
         id: generate
-        uses: docker/bake-action/subaction/matrix@6614cfa25eff9a0b2b2697efb0b6159e7680d584 # v7.2.0
+        uses: docker/bake-action/subaction/matrix@d3418bd7d0e9324001bca92fa8ba175ea7e6dc9b # v7.3.0
         with:
           target: validate