chore(github/workflows/nix-aiopusher): init

.github/workflows/nix-aiopusher.yml

@@ -0,0 +1,21 @@
+name: "bumper"
+
+on:
+  workflow_dispatch:
+  pull_request_target:
+    branches:
+      - "master"
+
+jobs:
+  bumper:
+    runs-on: nix
+
+    permissions:
+      contents: "write"
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+      - name: Run Bumper
+        run: nix run .#workflows.aiopusher

.github/workflows/nix-bumper.yml

@@ -1,6 +1,7 @@
 name: "bumper"
 
 on:
+  workflow_dispatch:
   pull_request_target:
     branches:
       - "develop"