set build and publish jobs to run only on tag push

Signed-off-by: Caleb Grant <[email protected]>

.github/workflows/ci-cd.yml

@@ -5,6 +5,8 @@ on:
   push:
     branches:
       - main
+    tags:
+      - '**'
   workflow_dispatch:
 
 env:
@@ -71,6 +73,7 @@ jobs:
     name: Build distribution 📦
     runs-on: ubuntu-latest
     needs: [tests]
+    if: startsWith(github.ref, 'refs/tags/')
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python