let Mergify automatically merge PRs when they're changing the minor version of a dependency

Author: bpholt

.mergify.yml

@@ -9,7 +9,9 @@ pull_request_rules:
 - name: merge scala-steward's PRs
   conditions:
   - author=scala-steward
-  - body~=labels:.*early-semver-patch
+  - or:
+    - body~=labels:.*early-semver-patch
+    - body~=labels:.*early-semver-minor
   - status-success=Build and Test (ubuntu-latest, 2.13, temurin@17)
   actions:
     merge: {}

build.sbt

@@ -42,6 +42,9 @@ ThisBuild / githubWorkflowPublish := Seq(
 )
 ThisBuild / githubWorkflowPublishTargetBranches := Seq(RefPredicate.StartsWith(Ref.Tag("v")))
 ThisBuild / tlCiMimaBinaryIssueCheck := false
+ThisBuild / mergifyStewardConfig ~= {
+  _.map(_.copy(mergeMinors = true))
+}
 
 lazy val root = project.in(file(".")).enablePlugins(NoPublishPlugin).aggregate(
   `fake-ec2-metadata-service`