Use clj-kondo :seqable for :+, :*, and :? not {:op :rest}

Update clj-kondo type generation. `{:op :rest}` should be used only for varargs.

```
This can be used to match remaining arguments in vararg signatures.

https://github.com/clj-kondo/clj-kondo/blob/master/doc/types.md
```

src/malli/clj_kondo.cljc

@@ -124,9 +124,9 @@
 (defmethod accept :qualified-symbol [_ _ _ _] :symbol)
 (defmethod accept :uuid [_ _ _ _] :any) ;;??
 
-(defmethod accept :+ [_ _ [child] _] {:op :rest, :spec child})
-(defmethod accept :* [_ _ [child] _] {:op :rest, :spec child})
-(defmethod accept :? [_ _ [child] _] {:op :rest, :spec child})
+(defmethod accept :+ [_ _ _ _] :seqable)
+(defmethod accept :* [_ _ _ _] :seqable)
+(defmethod accept :? [_ _ _ _] :seqable)
 (defmethod accept :repeat [_ _ [child] _] {:op :rest, :spec child})
 (defmethod accept :cat [_ _ children _] children)
 (defmethod accept :catn [_ _ children _] (mapv last children))

test/malli/clj_kondo_test.cljc

@@ -40,6 +40,18 @@
 
 (m/=> siren [:=> [:cat ifn? coll?] map?])
 
+(defn clj-kondo-issue-1922-1 [_x])
+(m/=> clj-kondo-issue-1922-1
+      [:=> [:cat [:map [:keys [:+ :keyword]]]] :nil])
+
+(defn clj-kondo-issue-1922-2 [_x])
+(m/=> clj-kondo-issue-1922-2
+      [:=> [:cat [:map [:keys [:* :int]]]] :nil])
+
+(defn clj-kondo-issue-1922-3 [_x])
+(m/=> clj-kondo-issue-1922-3
+      [:=> [:cat [:map [:keys [:? :string]]]] :nil])
+
 (deftest clj-kondo-integration-test
 
   (is (= {:op :keys,
@@ -63,11 +75,27 @@
          {'kikka
           {:arities {1 {:args [:int],
                         :ret :int},
-                     :varargs {:args [:int :int {:op :rest, :spec :int}],
+                     :varargs {:args [:int :int :seqable],
                                :ret :int,
                                :min-arity 2}}}
           'siren
-          {:arities {2 {:args [:ifn :coll], :ret :map}}}}}]
+          {:arities {2 {:args [:ifn :coll], :ret :map}}}
+
+          'clj-kondo-issue-1922-1
+          {:arities {1 {:args [{:op :keys
+                                :req {:keys :seqable}}]
+                        :ret :nil}}}
+
+          'clj-kondo-issue-1922-2
+          {:arities {1 {:args [{:op :keys
+                                :req {:keys :seqable}}]
+                        :ret :nil}}}
+
+          'clj-kondo-issue-1922-3
+          {:arities {1 {:args [{:op :keys
+                                :req {:keys :seqable}}]
+                        :ret :nil}}}}}]
+
     #?(:clj
        (is (= expected-out
               (-> 'malli.clj-kondo-test