Update Actions (#1176)

.github/workflows/main.yml

@@ -1,23 +1,27 @@
 name: CI
 
-on: [push, pull_request]
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
 
 jobs:
   build:
 
     runs-on: ubuntu-latest
 
     container:
-      image: elementary/docker:unstable
+      image: elementary/docker:next-unstable
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     - name: Install Dependencies
       run: |
         apt update
         apt install -y librsvg2-bin meson x11-apps
     - name: Build
       run: |
         meson build
-        ninja -C build
         ninja -C build install

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
      runs-on: ubuntu-latest
      if: github.event.pull_request.merged == true && true == contains(join(github.event.pull_request.labels.*.name), 'Release')
      steps:
-     - uses: actions/checkout@v1
+     - uses: actions/checkout@v3
      - uses: elementary/actions/release@master
        env:
          GIT_USER_TOKEN: "${{ secrets.GIT_USER_TOKEN }}"