ci(release-please): switch to manifest releaser

Author: scop

.github/release-please-config.json

@@ -0,0 +1,10 @@
+{
+  "packages": {
+    ".": {
+      "package-name": "hashpipe",
+      "release-type": "python",
+      "include-component-in-tag": false
+    }
+  },
+  "pull-request-title-pattern": "chore: release${component} ${version}"
+}

.github/release-please-manifest.json

@@ -0,0 +1 @@
+{".":"0.9.2"}

.github/workflows/release.yml

@@ -12,9 +12,8 @@ jobs:
       - uses: google-github-actions/release-please-action@v4
         id: release_please
         with:
-          release-type: python
-          package-name: hashpipe
-          pull-request-title-pattern: "chore: release${component} ${version}"
+          config-file: .github/release-please-config.json
+          manifest-file: .github/release-please-manifest.json
     outputs:
       release_created: ${{ steps.release_please.outputs.release_created }}
       sha: ${{ steps.release_please.outputs.sha }}