add test to CI for example directory

.github/dependabot.yml

@@ -13,10 +13,6 @@ updates:
       "GitHub Actions updates":
         patterns:
           - "*"
-  - package-ecosystem: "docker"
-    directory: "/"
-    schedule:
-      interval: "monthly"
   - package-ecosystem: "gomod"
     directory: "/"
     schedule:
@@ -24,8 +20,6 @@ updates:
     groups:
       "Go modules updates":
         dependency-type: "production"
-      "Go modules updates for tests":
-        dependency-type: "development"
   - package-ecosystem: "gomod"
     directory: "/examples/plugin"
     schedule:
@@ -33,5 +27,3 @@ updates:
     groups:
       "Go modules updates":
         dependency-type: "production"
-      "Go modules updates for tests":
-        dependency-type: "development"

.github/workflows/ci.yml

@@ -22,12 +22,20 @@ jobs:
 
       - name: build and test
         run: |
-          go test -v -timeout=100s -covermode=count -coverprofile=$GITHUB_WORKSPACE/profile.cov_tmp ./...
+          go test -race -v -timeout=100s -covermode=atomic -coverprofile=$GITHUB_WORKSPACE/profile.cov_tmp ./...
+          go build -race ./...
           cat $GITHUB_WORKSPACE/profile.cov_tmp | grep -v "mocks" | grep -v "_mock" > $GITHUB_WORKSPACE/profile.cov
         working-directory: app
         env:
           TZ: "America/Chicago"
 
+      - name: test examples
+        run: |
+          go test -race ./...
+          go build -race ./...
+        working-directory: examples/plugin
+        env:
+          TZ: "America/Chicago"
 
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6