Adding upstream version 1.2+20240521.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tests/inputs/nested/nested.json

@@ -0,0 +1,7 @@
+{
+  "nested": {
+    "count": 150
+  },
+  "sibling": {},
+  "msg": "THIS"
+}

tests/inputs/nested/nested.proto

@@ -0,0 +1,26 @@
+syntax = "proto3";
+
+package nested;
+
+// A test message with a nested message inside of it.
+message Test {
+    // This is the nested type.
+    message Nested {
+        // Stores a simple counter.
+        int32 count = 1;
+    }
+    // This is the nested enum.
+    enum Msg {
+        NONE = 0;
+        THIS = 1;
+    }
+
+    Nested nested = 1;
+    Sibling sibling = 2;
+    Sibling sibling2 = 3;
+    Msg msg = 4;
+}
+
+message Sibling {
+  int32 foo = 1;
+}