ci: use matrix strategy for validation through bake group

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

Author: crazy-max

.github/workflows/ci.yml

@@ -16,58 +16,43 @@ on:
     branches: [main]
 
 jobs:
-  lint:
+  prepare:
     runs-on: ubuntu-latest
+    outputs:
+      includes: ${{ steps.generate.outputs.matrix }}
     steps:
       - name: Checkout
         uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
-
-      - name: Lint
-        uses: docker/bake-action@3acf805d94d93a86cce4ca44798a76464a75b88c # v6.9.0
+      -
+        name: Generate matrix
+        id: generate
+        uses: docker/bake-action/subaction/matrix@3acf805d94d93a86cce4ca44798a76464a75b88c # v6.9.0
         with:
-          source: .
-          targets: lint
+          target: validate
 
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
-
-      - name: Set up Go
-        uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
-        with:
-          go-version: "1.25.0"
-          cache: true
-
-      - name: Install Task
-        uses: go-task/setup-task@0ab1b2a65bc55236a3bc64cde78f80e20e8885c2 # v1.0.0
-        with:
-          version: 3.x
-
-      - name: Run tests
-        run: task test
-
-  license-check:
+  validate:
     runs-on: ubuntu-latest
+    needs:
+      - prepare
+    strategy:
+      fail-fast: false
+      matrix:
+        include: ${{ fromJson(needs.prepare.outputs.includes) }}
     steps:
       - name: Checkout
         uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
-      - name: Check licenses
-        uses: docker/bake-action@3acf805d94d93a86cce4ca44798a76464a75b88c # v6.9.0
+      - name: Validate
+        uses: docker/bake-action@v6
         with:
-          source: .
-          targets: licenses
+          targets: ${{ matrix.target }}
 
   build:
-    needs: [lint, test, license-check]
+    needs:
+      - validate
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -88,7 +73,8 @@ jobs:
         run: task build
 
   build-image:
-    needs: [lint, test, license-check]
+    needs:
+      - validate
     runs-on: ubuntu-latest
     steps:
       - name: Checkout