Update build-pdf.yml

Signed-off-by: Bill Traynor <wmat@riscv.org>

.github/workflows/build-pdf.yml

@@ -4,31 +4,21 @@ name: Create Specification Document
 on:
   workflow_dispatch:
     inputs:
-      version:
-        description: 'Release version, e.g. X.Y.Z:'
-        required: true
-        type: string
-      revision_mark: 
-          description: 'Set revision mark as Draft or Release:'
-          required: true
-          type: string
-          default: 'Draft'
-      prerelease:
-        description: 'Tag as a pre-release?'
+      create_release:
+        description: 'Create a new RISC-V ISA release if set to true'
         required: false
-        type: boolean
-        default: true
-      draft:
-        description: 'Create release as a draft?'
+        default: 'false'
+      target_branch:
+        description: 'Target Branch'
+        required: true
+        default: 'main'
+      release_notes:
+        description: 'Release Notes'
         required: false
-        type: boolean
-        default: false
   pull_request:
   push:
     branches:
       - main
-      - 78-update-version-and-add-template
-
 jobs:
   build:
     runs-on: ubuntu-latest