Pull request 2100: v0.107.42-rc

Squashed commit of the following:

commit 284190f748345c7556e60b67f051ec5f6f080948
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Dec 6 19:36:00 2023 +0300

    all: sync with master; upd chlog

internal/ipset/ipset_linux_internal_test.go

@@ -47,6 +47,11 @@ func (c *fakeConn) Close() (err error) {
 	return nil
 }
 
+// Header implements the [ipsetConn] interface for *fakeConn.
+func (c *fakeConn) Header(_ string) (_ *ipset.HeaderPolicy, _ error) {
+	return nil, nil
+}
+
 // listAll implements the [ipsetConn] interface for *fakeConn.
 func (c *fakeConn) listAll() (sets []props, err error) {
 	return c.sets, nil