Update versions.json

Author: fabpot

.github/versions.json

@@ -950,6 +950,9 @@
             "7.2",
             "7.3"
         ],
+        "symfony/json-encoder": [
+            "7.3"
+        ],
         "symfony/kaz-info-teh-notifier": [
             "6.1",
             "6.2",
@@ -1102,6 +1105,10 @@
             "7.3"
         ],
         "symfony/mailer": [
+            "3.4",
+            "4.0",
+            "4.1",
+            "4.2",
             "4.3",
             "4.4",
             "5.0",
@@ -1880,6 +1887,10 @@
             "7.3"
         ],
         "symfony/sendgrid-mailer": [
+            "3.4",
+            "4.0",
+            "4.1",
+            "4.2",
             "4.3",
             "4.4",
             "5.0",