Add missing symfony/deprecation-contracts requirement

jderusse · jderusse · commit bdf8744c2ace · 2020-12-15T12:53:10.000+01:00
diff --git a/src/Symfony/Component/Lock/composer.json b/src/Symfony/Component/Lock/composer.json
@@ -18,6 +18,7 @@
     "require": {
         "php": ">=7.2.5",
         "psr/log": "~1.0",
+        "symfony/deprecation-contracts": "^2.1",
         "symfony/polyfill-php80": "^1.15"
     },
     "require-dev": {
