dnsdist: Update to version 1.9.6

dnsdist: Update to version 1.9.6

- Update from version 1.9.4 to 1.9.6
- Tested building on riscv64 and it built without issues and rootfile is sam as for
   x86_64 & aarch64. So supported architectures has been removed and dnsdist is available
   on all three architectures.
- Update of rootfile not required
- Changelog
    1.9.6
	New Features
	    Add support for a callback when a new tickets key is added
	     References: pull request 14449
	Improvements
	    Make the logging functions available to all Lua environments
	     References: pull request 14438
	    Handle Quiche >= 0.22.0
	     References: pull request 14450
	    Don’t include openssl/engine.h if it’s not going to be used (Sander Hoentjen)
	     References: pull request 14452
	Bug Fixes
	    Dedup Prometheus help and type lines for custom metrics with labels¶
	     References: #14395, pull request 14439
	    Fix a race in the XSK/AF_XDP backend handling code
	     References: pull request 14436
	    dns.cc: use pdns::views::UnsignedCharView
	     References: pull request 14437
    1.9.5
	New Features
	    Add a Lua FFI function to set proxy protocol values
	     References: pull request 14338
	    Add Lua FFI bindings to generate SVC responses
	     References: pull request 14339
	Bug Fixes
	    Use the correct source IP for outgoing QUIC datagrams
	     References: pull request 14166
	    Reply to HTTP/2 PING frames immediately
	     References: pull request 14163
	    Log the correct amount of bytes sent for DoH w/ nghttp2
	     References: pull request 14332
	    Prevent a race when calling registerWebHandler at runtime
	     References: pull request 14170
	    Enforce a maximum number of HTTP request fields and a maximum HTTP request line size
	     References: pull request 14333
	    Fix a race condition with custom Lua web handlers
	     References: pull request 14342
	    Syslog should be enabled by default
	     References: pull request 14331
	    Fix a warning when compiling the unit tests without XSK¶
	     References: pull request 14334
	    autoconf: allow prerelease systemd versions (Chris Hofstaedtler)
	     References: pull request 14335
	    Edit the systemd unit file, CAP_BPF is no longer enough
	     References: #14279, pull request 14336
	    Fix ‘Error creating TCP worker’ error message
	     References: pull request 14337

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>