Adjust dependencies and deployer config to PHP 7.1

composer.json

@@ -7,7 +7,7 @@
   "license": "GPL-2.0+",
   "type": "project",
   "require": {
-    "php": "^5.6",
+    "php": "^7.1",
     "ext-json": "*",
     "typo3/cms": "^7.6",
     "georgringer/news": "^6.1",
@@ -56,18 +56,18 @@
     "typo3-ter/media": "^4.5",
     "typo3-ter/metaseo": "2.1",
     "typo3-ter/ods-redirects": "^1.3",
-    "typo3-ter/pagepath": "^1.1",
     "typo3-ter/pb-social": "^1.3",
     "typo3-ter/sourceopt": "^1.0",
     "typo3-ter/html-compress": "^1.1",
-    "typo3-ter/imageoptimizer": "^1.0",
     "doctrine/dbal": "^2.5",
     "yohang/calendr": "^2.1",
     "wyrihaximus/html-compress": "^1.4",
     "symfony/property-access": "^3.4",
     "symfony/options-resolver": "^3.4",
     "symfony/serializer": "^3.3",
-    "league/csv": "^8.2"
+    "league/csv": "^8.2",
+    "christophlehmann/imageoptimizer": "^1.1",
+    "smichaelsen/pagepath": "^1.1"
   },
   "scripts": {
     "typo3-cms-scripts": [
@@ -102,11 +102,11 @@
     }
   },
   "require-dev": {
-    "deployer/deployer": "^4.3"
+    "deployer/deployer": "^6.0"
   },
   "config": {
     "platform": {
-      "php": "5.6.34"
+      "php": "7.1.10"
     }
   }
 }