ci: stop release builds on pull requests

.github/workflows/java-publish.yml

@@ -13,11 +13,10 @@
 name: Build and publish Java packages
 on:
   push:
+    branches:
+      - main
     tags:
       - "v*"
-  pull_request:
-    paths:
-      - .github/workflows/java-publish.yml
 
 permissions:
   contents: read
@@ -48,8 +47,8 @@ jobs:
         run: |
           git config --global user.email "dev+gha@lancedb.com"
           git config --global user.name "LanceDB Github Runner"
-      - name: Dry run
-        if: github.event_name == 'pull_request'
+      - name: Build package
+        if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
         run: |
           ./mvnw --batch-mode -DskipTests package -pl lancedb-core -am
       - name: Publish

.github/workflows/npm-publish.yml

@@ -14,12 +14,6 @@ on:
       - main
     tags:
       - "v*"
-  pull_request:
-    # This should trigger a dry run (we skip the final publish step)
-    paths:
-      - .github/workflows/npm-publish.yml
-      - Cargo.toml # Change in dependency frequently breaks builds
-      - Cargo.lock
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}

.github/workflows/pypi-publish.yml

@@ -2,17 +2,10 @@ name: PyPI Publish
 
 on:
   push:
+    branches:
+      - main
     tags:
       - 'python-v*'
-  pull_request:
-    # This should trigger a dry run (we skip the final publish step)
-    paths:
-      - .github/workflows/pypi-publish.yml
-      - .github/workflows/build_linux_wheel/action.yml
-      - .github/workflows/build_mac_wheel/action.yml
-      - .github/workflows/build_windows_wheel/action.yml
-      - Cargo.toml # Change in dependency frequently breaks builds
-      - Cargo.lock
 
 env:
   PIP_EXTRA_INDEX_URL: "https://pypi.fury.io/lance-format/ https://pypi.fury.io/lancedb/"