Add symfony version lock to matrix build

.github/settings.yml

@@ -50,12 +50,18 @@ branches:
         contexts:
           - "Coding Standards (7.4)"
           - "Static Code Analysis (7.4)"
-          - "Tests (7.2, lowest)"
-          - "Tests (7.2, highest)"
-          - "Tests (7.3, lowest)"
-          - "Tests (7.3, highest)"
-          - "Tests (7.4, lowest)"
-          - "Tests (7.4, highest)"
+          - "Tests (7.2, lowest, ~4.2)"
+          - "Tests (7.2, lowest, ~5.0)"
+          - "Tests (7.2, highest, ~4.2)"
+          - "Tests (7.2, highest, ~5.0)"
+          - "Tests (7.3, lowest, ~4.2)"
+          - "Tests (7.3, lowest, ~5.0)"
+          - "Tests (7.3, highest, ~4.2)"
+          - "Tests (7.3, highest, ~5.0)"
+          - "Tests (7.4, lowest, ~4.2)"
+          - "Tests (7.4, lowest, ~5.0)"
+          - "Tests (7.4, highest, ~4.2)"
+          - "Tests (7.4, highest, ~5.0)"
           - "Code Coverage (7.4)"
         strict: true
 

.github/workflows/continuous-integration.yml

@@ -114,6 +114,10 @@ jobs:
           - lowest
           - highest
 
+        symfony:
+          - ~4.2
+          - ~5.0
+
     steps:
       - name: "Checkout"
         uses: actions/checkout@v1
@@ -133,6 +137,9 @@ jobs:
           restore-keys: |
             php${{ matrix.php-version }}-composer-${{ matrix.dependencies }}-
 
+      - name: "Lock symfony version"
+        run: composer require "symfony/symfony:${{ matrix.symfony }}" --no-update
+
       - name: "Install lowest dependencies with composer"
         if: matrix.dependencies == 'lowest'
         run: composer update --no-interaction --no-progress --no-suggest --prefer-lowest