Add Test Gitea Login step to verify credentials

- New step added to verify Gitea login during 'push' and 'manual' events.
- Includes 'exit 1' to fail the pipeline immediately after verification.

Co-authored-by: openhands <openhands@all-hands.dev>

.woodpecker/build.yaml

@@ -25,7 +25,6 @@ steps:
       - mkdir -p artifacts
       - cargo --version
       - rustc --version
-      - set
 
   - name: Build for ${SHORT}
     image: img.kie.rs/jjkiers/rust-crossbuild:rust1.79.0-zig0.11.0-zig
@@ -46,7 +45,22 @@ steps:
       - ls -lah artifacts
       - scripts/create_release_artifacts.sh
     environment:
+      GITEA_SERVER_URL: https://code.kiers.eu
       GITEA_SERVER_TOKEN:
         from_secret: gitea_token
     depends_on:
       - Build for ${SHORT}
+
+  - name: Test Gitea Login
+    image: img.kie.rs/jjkiers/rust-crossbuild:rust1.79.0-zig0.11.0-zig
+    when:
+      - event: [manual, push]
+    environment:
+      GITEA_SERVER_URL: https://code.kiers.eu
+      GITEA_SERVER_TOKEN:
+        from_secret: gitea_token
+    commands:
+      - scripts/install_tea.sh linux-amd64 https://gitea.com/api/v1/repos/gitea/tea/releases/latest
+      - ./tea login add
+      - ./tea login ls
+      - exit 1