Do not run tests twice when PR submitted

Just run workflows on pushes to main or to any branch starting with
"wip/". For the release workflow, also run when pushing a semantic
version tag.

Signed-off-by: David E. Wheeler <david.wheeler@clickhouse.com>

Author: serprex

.github/workflows/clickhouse.yml

@@ -1,6 +1,7 @@
 name: 🏠 ClickHouse CI
 on:
   push:
+    branches: [main, wip/**]
   pull_request:
   schedule:
     - cron: "0 13 10 * *" # Monthly at 13:00 on the tenth

.github/workflows/lint.yml

@@ -1,6 +1,7 @@
 name: 🔎 Lint
 on:
   push:
+    branches: [main, wip/**]
   pull_request:
 jobs:
   lint:

.github/workflows/postgres.yml

@@ -1,6 +1,7 @@
 name: 🐘 Postgres CI
 on:
   push:
+    branches: [main, wip/**]
   pull_request:
   schedule:
     - cron: "0 12 10 * *" # Monthly at noon on the tenth

.github/workflows/release.yml

@@ -1,5 +1,9 @@
 name: 🚀 Bundle & Release
-on: [push, pull_request]
+on:
+  push:
+    branches: [main, wip/**]
+    tags: ["v[0-9]+.[0-9]+.[0-9]+"]
+  pull_request:
 permissions:
   contents: write
 jobs: