Update Gitea workflow to specify output binary location for jiggablend build

- Changed the build command in the test-pr.yaml workflow to output the jiggablend binary to the bin directory.
- This modification enhances the organization of build artifacts and aligns with project structure.

.gitea/workflows/test-pr.yaml

@@ -11,5 +11,5 @@ jobs:
         with:
           go-version-file: 'go.mod'
       - run: go mod tidy  
-      - run: go build ./...
+      - run: go build -o bin/jiggablend ./cmd/jiggablend
       - run: go test -race -v -shuffle=on ./...