workflows/eval: run when base branch changed

When the base branch changes, we need to run full eval again, because
the changed output paths depend on the base branch.

.github/workflows/edited-base.yml

@@ -22,6 +22,13 @@ jobs:
     name: Codeowners v2
     uses: ./.github/workflows/codeowners-v2.yml
 
+  eval:
+    name: Eval
+    uses: ./.github/workflows/eval.yml
+    permissions:
+      pull-requests: write
+      statuses: write
+
   labels:
     name: Label PR
     uses: ./.github/workflows/labels.yml

.github/workflows/edited.yml

@@ -19,7 +19,8 @@ jobs:
     name: Base
     if: github.event.changes.base.ref.from && github.event.changes.base.ref.from != github.event.pull_request.base.ref
     uses: ./.github/workflows/edited-base.yml
-    # Currently needed downstream for labels.yml
+    # Currently needed downstream for eval.yml and labels.yml
     permissions:
       contents: read
       pull-requests: write
+      statuses: write

.github/workflows/eval.yml

@@ -2,6 +2,7 @@ name: Eval
 
 on:
   pull_request_target:
+  workflow_call:
   push:
     # Keep this synced with ci/request-reviews/dev-branches.txt
     branches: