"update buildfile"

.github/workflows/build.yml

@@ -2,9 +2,8 @@ name: Build and Release
 
 on:
   push:
-    branches:
-      - master
-
+    branches: ["*"]
+    tags: ["v*"]
 
 jobs:
   build-wheel:
@@ -20,6 +19,7 @@ jobs:
           - ["cp311", '3.11']
           - ["cp312", '3.12']
     runs-on: ${{ matrix.buildplat[0] }}
+    if: startsWith(github.ref, 'refs/tags/v')
 
     steps:
       - uses: actions/checkout@v4
@@ -64,6 +64,7 @@ jobs:
   build-sdist:
     name: Build source distribution
     runs-on: ubuntu-22.04
+    if: startsWith(github.ref, 'refs/tags/v')
     steps:
       - uses: actions/checkout@v3
 
@@ -97,6 +98,7 @@ jobs:
   #     - build-wheel
   #     - build-sdist
   #   runs-on: ubuntu-latest
+  #   if: startsWith(github.ref, 'refs/tags/v')
   #   environment:
   #     name: pypi
   #     url: https://pypi.org/p/pyensmallen
@@ -115,6 +117,7 @@ jobs:
   upload_release:
     needs: [build-wheel, build-sdist]
     runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/v')
     permissions:
       contents: write
     steps: