⬆️ Bump minimum PHP version to 7.3 (#13)

* Bump PHP version

* Update README

* Run once

* Merge workflow

* Rename job

.github/workflows/ci.yaml

@@ -10,7 +10,8 @@ on:
       - master
 
 jobs:
-  build-test:
+  run-tests:
+    name: 🪲 Run tests
     runs-on: ubuntu-latest
 
     steps:
@@ -23,4 +24,22 @@ jobs:
       - name: 🧰 Run unit tests
         uses: php-actions/phpunit@v9
         with:
-          configuration: phpunit.xml
+          configuration: phpunit.xml
+
+  check-code-style:
+    name: 💅🏻 Check code style
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: 📥 Checkout repository
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ github.head_ref }}
+
+      - name: 🛠 Run php-cs-fixer
+        uses: docker://oskarstark/php-cs-fixer-ga
+
+      - name: 🤖 Apply php-cs-fixer changes
+        uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: Apply php-cs-fixer changes

.github/workflows/pr-labels.yaml

@@ -1,17 +1,17 @@
 ---
-name: PR Labels
+name: PR
 
 # yamllint disable-line rule:truthy
 on:
   pull_request_target:
     types: [opened, labeled, unlabeled, synchronize]
 
 jobs:
-  pr_labels:
-    name: Verify
+  verify_pr_labels:
+    name: 🏷 Verify Labels
     runs-on: ubuntu-latest
     steps:
-      - name: 🏷 Verify PR has a valid label
+      - name: ✅ Verify PR has a valid label
         uses: jesusvasquez333/[email protected]
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"

README.md

@@ -19,7 +19,7 @@ The verification code can be sent (securely) to the receiver of the secure messa
 message and read it.
 
 ## Requirements
-This package requires at least PHP 7.1 with the [libsodium](https://github.com/jedisct1/libsodium-php) extension.
+This package requires at least PHP 7.3 with the [sodium](https://www.php.net/manual/en/sodium.installation.php) extension enabled.
 
 ## Install