Add Combine PRs workflow (in the right place) (#462)

Author: njvrzm

.github/workflows/combine_prs.yml

@@ -0,0 +1,22 @@
+name: Combine PRs
+
+on:
+ workflow_dispatch: # manual activation, for now
+
+permissions:
+ contents: write
+ pull-requests: write
+ checks: read
+
+jobs:
+ combine-prs:
+ runs-on: ubuntu-latest
+
+ steps:
+ - name: combine-prs
+ id: combine-prs
+ uses: github/combine-prs@v5.1.0
+ with:
+ labels: combined-pr
+ pr_title: "Dependabot updates"
+ branch_prefix: dependabot # the default, just for clarity