Pull request: all: add srv handling to dnsrewrite filters

Closes #2498.
Updates #2533.

Squashed commit of the following:

commit 452e0e7d281c1f10bef069bf7a73205266b8f1e0
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 12 19:33:18 2021 +0300

    all: add srv handling to dnsrewrite filters

CHANGELOG.md

@@ -13,12 +13,15 @@ and this project adheres to
 ## [v0.106.0] - 2021-05-01
 -->
 
+### Added
+
+- `SRV` records support in `$dnsrewrite` filters ([#2533]).
+
 ### Changed
 
+- Stricter validation of `$dnsrewrite` filter modifier parameters ([#2498]).
 - New, more correct versioning scheme ([#2412]).
 
-[#2412]: https://github.com/AdguardTeam/AdGuardHome/issues/2412
-
 ### Deprecated
 
 - Go 1.15 support.  v0.107.0 will require at least Go 1.16 to build.
@@ -27,6 +30,10 @@ and this project adheres to
 
 - Go 1.14 support.
 
+[#2412]: https://github.com/AdguardTeam/AdGuardHome/issues/2412
+[#2498]: https://github.com/AdguardTeam/AdGuardHome/issues/2498
+[#2533]: https://github.com/AdguardTeam/AdGuardHome/issues/2533
+
 
 
 ## [v0.105.2] - 2021-03-10