ci: split out postgres unit-test run for parallelism

Author: ffranr

.github/workflows/main.yml

@@ -125,10 +125,10 @@ jobs:
         run: make docs-check
 
   ########################
-  # run unit tests
+  # run unit-test sqlite3 race
   ########################
   unit-test:
-    name: run unit tests
+    name: run unit-test sqlite3 race
     runs-on: ubuntu-latest
     steps:
       - name: git checkout
@@ -139,10 +139,25 @@ jobs:
         with:
           go-version: '~${{ env.GO_VERSION }}'
 
-      - name: run unit tests
+      - name: run unit-test sqlite3 race
         run: make unit-race
 
-      - name: run unit test with postgres
+  ########################
+  # run unit-test postgres race
+  ########################
+  unit-test-postgres:
+    name: run unit-test postgres race
+    runs-on: ubuntu-latest
+    steps:
+      - name: git checkout
+        uses: actions/checkout@v4
+
+      - name: setup go ${{ env.GO_VERSION }}
+        uses: actions/setup-go@v5
+        with:
+          go-version: '~${{ env.GO_VERSION }}'
+
+      - name: run unit-test postgres race
         run: make unit-postgres-race
 
   ########################