Merge branch '3.4' into 4.0

* 3.4:
  [TwigBundle][DX] Only add the Twig WebLinkExtension if the WebLink component is enabled
  Add note about changed form processing when using PUT requests
  [SecurityBundle] Dont throw if "security.http_utils" is not found
  [Di] Fix undefined variable found by Php Inspections (EA Ultimate)
  [DI] Cleanup unused service_subscriber.locator tag
  [DI] Resolve env placeholder in logs
  The debug class loader is always loaded by Debug::enable().
  [Intl] Update ICU data to 62.1

Author: fabpot

Intl.php

@@ -235,7 +235,7 @@ public static function getIcuDataVersion()
      */
     public static function getIcuStubVersion()
     {
-        return '61.1';
+        return '62.1';
     }
 
     /**

Resources/bin/icu.ini

@@ -17,3 +17,4 @@
 59 = http://source.icu-project.org/repos/icu/tags/release-59-1/icu4c/source
 60 = http://source.icu-project.org/repos/icu/tags/release-60-2/icu4c/source
 61 = http://source.icu-project.org/repos/icu/tags/release-61-1/icu4c/source
+62 = http://source.icu-project.org/repos/icu/tags/release-62-1/icu4c/source

Resources/data/currencies/af.json

@@ -1,5 +1,5 @@
 {
-    "Version": "2.1.39.11",
+    "Version": "2.1.41.97",
     "Names": {
         "AED": [
             "AED",

Resources/data/currencies/am.json

@@ -1,5 +1,5 @@
 {
-    "Version": "2.1.39.11",
+    "Version": "2.1.41.97",
     "Names": {
         "AED": [
             "AED",

Resources/data/currencies/ar.json

@@ -1,5 +1,5 @@
 {
-    "Version": "2.1.39.20",
+    "Version": "2.1.41.97",
     "Names": {
         "ADP": [
             "ADP",

Resources/data/currencies/as.json

@@ -1,5 +1,5 @@
 {
-    "Version": "2.1.39.11",
+    "Version": "2.1.41.97",
     "Names": {
         "AED": [
             "AED",

Resources/data/currencies/az.json

@@ -1,5 +1,5 @@
 {
-    "Version": "2.1.39.11",
+    "Version": "2.1.41.97",
     "Names": {
         "ADP": [
             "ADP",

Resources/data/currencies/be.json

@@ -1,5 +1,5 @@
 {
-    "Version": "2.1.39.11",
+    "Version": "2.1.41.97",
     "Names": {
         "AED": [
             "AED",

Resources/data/currencies/bg.json

@@ -1,5 +1,5 @@
 {
-    "Version": "2.1.39.11",
+    "Version": "2.1.41.97",
     "Names": {
         "ADP": [
             "ADP",

Resources/data/currencies/bn.json

@@ -1,5 +1,5 @@
 {
-    "Version": "2.1.39.11",
+    "Version": "2.1.41.97",
     "Names": {
         "ADP": [
             "ADP",