feat: next release from main branch is 2.4.0 (#715)

Author: kolea2

.github/release-please.yml

@@ -14,3 +14,7 @@ branches:
  handleGHRelease: true
  releaseType: java-backport
  branch: 2.1.x
+ - bumpMinorPreMajor: true
+ handleGHRelease: true
+ releaseType: java-backport
+ branch: 2.2.x

.github/sync-repo-settings.yaml

@@ -61,6 +61,21 @@ branchProtectionRules:
  - 'Kokoro - Test: Integration'
  - cla/google
  - OwlBot Post Processor
+ - pattern: 2.2.x
+ isAdminEnforced: true
+ requiredApprovingReviewCount: 1
+ requiresCodeOwnerReviews: true
+ requiresStrictStatusChecks: false
+ requiredStatusCheckContexts:
+ - dependencies (8)
+ - dependencies (11)
+ - lint
+ - clirr
+ - units (8)
+ - units (11)
+ - 'Kokoro - Test: Integration'
+ - cla/google
+ - OwlBot Post Processor
 permissionRules:
  - team: yoshi-admins
  permission: admin