Add text objects to extensions (#21488)

Release Notes:

- Adds textobject support to erlang, haskell, lua, php, prisma, proto,
toml, and zig

extensions/php/languages/php/textobjects.scm

@@ -0,0 +1,45 @@
+(function_definition
+    body: (_
+        "{"
+        (_)* @function.inside
+        "}" )) @function.around
+
+(method_declaration
+    body: (_
+        "{"
+        (_)* @function.inside
+        "}" )) @function.around
+
+(method_declaration) @function.around
+
+(class_declaration
+    body: (_
+        "{"
+        (_)* @class.inside
+        "}")) @class.around
+
+(interface_declaration
+    body: (_
+        "{"
+        (_)* @class.inside
+        "}")) @class.around
+
+(trait_declaration
+    body: (_
+        "{"
+        (_)* @class.inside
+        "}")) @class.around
+
+(enum_declaration
+    body: (_
+        "{"
+        (_)* @class.inside
+        "}")) @class.around
+
+(namespace_definition
+    body: (_
+        "{"
+        (_)* @class.inside
+        "}")) @class.around
+
+(comment)+ @comment.around