CI: on: pull_request and tags, not on main

Author: pascalandy

.github/dependabot.yml

@@ -1,8 +1,4 @@
-version:2
-  # you can add other package ecosystems here for granular control of security updates
-  # https://docs.github.com/en/code-security/supply-chain-security/keeping-your-dependencies-updated-automatically/configuration-options-for-dependency-updates
-  # bundler, docker (FROM image), git submodules, go, npm, pip, terraform, all supported
-
+version: 2
 updates:
   # Maintain dependencies for Actions
   - package-ecosystem: "github-actions"
@@ -24,4 +20,4 @@ updates:
       timezone: "America/New_York"
     labels:
       - ":game_die: dependencies"
-      - ":robot: bot"
+      - ":robot: bot"

.github/workflows/ci.yml

@@ -6,13 +6,16 @@ name: ci
 
 on:
   push:
+    # We don't build on master or edge anymore. Only on PR and tags.
     branches:
       - "ci"
     # Sequence of patterns matched against TAGS
     tags:
+      - "[0-9]*"
+      - "ci_*"
     paths-ignore:
       - "CHANGELOG.md"
-    # Sequence of patterns matched against PR
+    # Sequence of patterns matched against every PR
   pull_request:
   schedule:
     - cron: "0 5 * * *"