Bump version to 4.6.1

CHANGES

@@ -1,3 +1,8 @@
+In 4.6.1
+
+* Introduce `get_backend_pid` function #270
+* Fix dialyzer error in `get_parameter` #274
+
 In 4.6.0
 
 * Full OTP-24 compatibility #255, #262, #263

src/epgsql.app.src

@@ -1,6 +1,6 @@
 {application, epgsql,
  [{description, "PostgreSQL Client"},
-  {vsn, "4.6.0"},
+  {vsn, "4.6.1"},
   {modules, []},
   {registered, []},
   {applications, [kernel,