Update Go build command in CI workflows

Replaced `go build -o ./bin/app main.go` with `go build ./...` across all CI workflow files. This ensures all packages in the module are built, improving compatibility and consistency in the build process.

.gitea/workflows/ci-basic.yml

@@ -45,4 +45,4 @@ jobs:
       - name: Build binary
         shell: bash
         run: |
-          go build -o ./bin/app main.go
+          go build ./...

.gitea/workflows/ci-protected.yml

@@ -45,4 +45,4 @@ jobs:
       - name: Build binary
         shell: bash
         run: |
-          go build -o ./bin/app main.go
+          go build ./...

.gitea/workflows/ci-tag.yml

@@ -38,4 +38,4 @@ jobs:
       - name: Build binary
         shell: bash
         run: |
-          go build -o ./bin/app main.go
+          go build ./...