chore: add release-please to v9 branch

.github/workflows/release-please-v9.yml

@@ -0,0 +1,57 @@
+name: release-please
+
+on:
+  push:
+    branches:
+      - release/v9
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: google-github-actions/release-please-action@v2
+        id: release
+        with:
+          package-name: node-gyp
+          release-type: node
+          default-branch: release/v9
+          changelog-types: >
+            [{"type":"feat","section":"Features","hidden":false},
+            {"type":"fix","section":"Bug Fixes","hidden":false},
+            {"type":"bin","section":"Core","hidden":false},
+            {"type":"gyp","section":"Core","hidden":false},
+            {"type":"lib","section":"Core","hidden":false},
+            {"type":"src","section":"Core","hidden":false},
+            {"type":"test","section":"Tests","hidden":false},
+            {"type":"build","section":"Core","hidden":false},
+            {"type":"clean","section":"Core","hidden":false},
+            {"type":"configure","section":"Core","hidden":false},
+            {"type":"install","section":"Core","hidden":false},
+            {"type":"list","section":"Core","hidden":false},
+            {"type":"rebuild","section":"Core","hidden":false},
+            {"type":"remove","section":"Core","hidden":false},
+            {"type":"deps","section":"Core","hidden":false},
+            {"type":"python","section":"Core","hidden":false},
+            {"type":"lin","section":"Core","hidden":false},
+            {"type":"linux","section":"Core","hidden":false},
+            {"type":"mac","section":"Core","hidden":false},
+            {"type":"macos","section":"Core","hidden":false},
+            {"type":"win","section":"Core","hidden":false},
+            {"type":"windows","section":"Core","hidden":false},
+            {"type":"zos","section":"Core","hidden":false},
+            {"type":"doc","section":"Doc","hidden":false},
+            {"type":"docs","section":"Doc","hidden":false},
+            {"type":"readme","section":"Doc","hidden":false},
+            {"type":"chore","section":"Miscellaneous","hidden":false},
+            {"type":"refactor","section":"Miscellaneous","hidden":false},
+            {"type":"ci","section":"Miscellaneous","hidden":false},
+            {"type":"meta","section":"Miscellaneous","hidden":false}]
+
+          # Standard Conventional Commits: `feat` and `fix`
+          # node-gyp subdirectories: `bin`, `gyp`, `lib`, `src`, `test`
+          # node-gyp subcommands: `build`, `clean`, `configure`, `install`, `list`, `rebuild`, `remove`
+          # Core abstract category: `deps`
+          # Languages/platforms: `python`, `lin`, `linux`, `mac`, `macos`, `win`, `window`, `zos`
+          # Documentation: `doc`, `docs`, `readme`
+          # Standard Conventional Commits: `chore` (under "Miscellaneous")
+          # Miscellaneous abstract categories: `refactor`, `ci`, `meta`