feat: add email notification for build job status

.gitea/workflows/build.yaml

@@ -148,3 +148,12 @@ jobs:
             echo "Starting new test environment..."
             docker-compose -f docker-compose.test.yml pull
             docker-compose -f docker-compose.test.yml up -d
+
+      - name: Send mail
+        if: always() # Runs on success or failure
+        uses: dawidd6/action-send-mail@v3
+        with:
+          to: ryan.kegel+gitea@gmail.com
+          from: Gitea <git@git.ryankegel.com>
+          subject: ${{ github.repository }} - Job ${{ job.status }}
+          body: Build finished with status ${{ job.status }}