ci/cd: migrate backend linter to v2. fixed unit test workflow (#400)

.github/workflows/backend-linter.yml

@@ -32,8 +32,8 @@ jobs:
           go-version-file: backend/go.mod
 
       - name: Run Golangci-lint
-        uses: golangci/golangci-lint-action@55c2c1448f86e01eaae002a5a3a9624417608d84 # v6.5.2
+        uses: golangci/golangci-lint-action@dec74fa03096ff515422f71d18d41307cacde373 # v7.0.0
         with:
-          version: v1.64
+          version: v2.0.2
           working-directory: backend
           only-new-issues: ${{ github.event_name == 'pull_request' }}

.github/workflows/unit-tests.yml

@@ -2,11 +2,11 @@ name: Unit Tests
 on:
   push:
     branches: [main]
-    paths: 
+    paths:
       - "backend/**"
   pull_request:
     branches: [main]
-    paths: 
+    paths:
       - "backend/**"
 
 jobs:
@@ -25,6 +25,7 @@ jobs:
       - name: Run backend unit tests
         working-directory: backend
         run: |
+          set -e -o pipefail
           go test -v ./... | tee /tmp/TestResults.log
       - uses: actions/upload-artifact@v4
         if: always()