chore: add shipjs (algolia/vue-instantsearch#794)

* chore: add shipjs

* Update .circleci/config.yml

Co-authored-by: Haroen Viaene <hello@haroen.me>

* chore: remove old scripts

* docs: update release guide

Co-authored-by: Haroen Viaene <hello@haroen.me>

packages/vue-instantsearch/CONTRIBUTING.md

@@ -28,21 +28,29 @@ The project uses [conventional commit format](https://github.com/angular/angular
 To release the library, the first step is to create a "release PR" by running:
 
 ```bash
-yarn release:branch
+yarn release
 ```
 
-This will ask you the new version of the library, and update all the required files accordingly.
-We use `git add --patch` on updated files to give you the opportunity to review the changes.
-In general all you need to do is accept all of them by pressing `y` multiple times.
+For that script to work, you need to provide `GITHUB_TOKEN` environment variable. You can either prepend it or put it in `.env` file.
+
+```bash
+GITHUB_TOKEN=xyz yarn release
 
-At the end of the process, the release branch is pushed to GitHub where you can open the Pull Request.
+or
 
-Once the changes are approved you can merge it there.
+echo "GITHUB_TOKEN=xyz" >> .env
+yarn release
+```
+
+You can create a token at [GitHub](https://github.com/settings/tokens/new) with `Full control of private repositories` scope.
+
+This will ask you the new version of the library, and update all the required files accordingly.
+At the end of the process, the release branch is pushed to GitHub and a Pull Request is automatically created.
 
-You can now fetch the latest changes from the remote master branch and run:
+Once the changes are approved you can merge it there. Then CircleCI will be triggered and it will run
 
 ```bash
-yarn release:publish
+yarn shipjs trigger
 ```
 
 This will:

packages/vue-instantsearch/package.json

@@ -43,8 +43,7 @@
     "format": "prettier --write '**/*.{js,md,vue,css}'",
     "changelog": "conventional-changelog --preset angular --infile CHANGELOG.md --same-file",
     "changelog:unreleased": "conventional-changelog --preset angular --output-unreleased",
-    "release:branch": "scripts/release-branch.sh",
-    "release:publish": "scripts/release-publish.sh"
+    "release": "shipjs prepare"
   },
   "dependencies": {
     "algoliasearch-helper": "^3.1.0",
@@ -100,6 +99,7 @@
     "rollup-plugin-terser": "4.0.4",
     "rollup-plugin-vue": "3.0.0",
     "rollup-watch": "4.3.1",
+    "shipjs": "0.20.0-beta.3",
     "vue": "2.5.18",
     "vue-autosuggest": "1.8.1",
     "vue-jest": "2.6.0",