Add preprocess check to validate, and split into separate jobs. (#771)

Signed-off-by: Caleb Brown <[email protected]>

Author: calebbrown

.github/workflows/validate-osv.yml

@@ -19,7 +19,23 @@ jobs:
     - name: Validate
       run: make validate
 
+  check-preprocess:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+    - uses: actions/setup-go@3041bf56c941b39c61721a86cd11f3bb1338122a # v5.2.0
+      with:
+        go-version-file: 'go.mod'
+    - name: Check Preprocess
+      run: make preprocess
 
+  check-schema:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+    - uses: actions/setup-go@3041bf56c941b39c61721a86cd11f3bb1338122a # v5.2.0
+      with:
+        go-version-file: 'go.mod'
     - name: Checkout ossf/osv-schema
       uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with: