ci: allow workflow_dispatch (#2620)

.github/workflows/ci.yml

@@ -9,6 +9,8 @@ on:
       - master
         release-please--branches--master--components--nvim-tree
 
+  workflow_dispatch:
+
 permissions:
   contents: read
 

.github/workflows/release-please.yml

@@ -2,6 +2,8 @@ on:
   push:
     branches:
       - master
+  workflow_dispatch:
+
 name: release-please
 permissions:
   contents: write

.github/workflows/semantic-pr-subject.yml

@@ -6,6 +6,8 @@ on:
       - reopened
       - edited
       - synchronize
+  workflow_dispatch:
+
 jobs:
   semantic-pr-subject:
     runs-on: ubuntu-latest