dnsdist: Update ChangeLog and secpoll for 1.8.4

[rgacogne]

Short description

Checklist

I have:

• read the CONTRIBUTING.md document
• compiled this code
• tested this code
• included documentation (including possible behaviour changes)
• documented the code
• added or modified regression test(s)
• added or modified unit test(s)

[coveralls]

Pull Request Test Coverage Report for Build 10940995304

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 31 unchanged lines in 8 files lost coverage.
• Overall coverage increased (+0.03%) to 64.682%

---

Files with Coverage Reduction	New Missed Lines	%
modules/gpgsqlbackend/gpgsqlbackend.cc	1	88.62%
pdns/recursordist/lwres.cc	1	69.8%
pdns/misc.cc	2	63.2%
pdns/remote_logger.cc	3	54.26%
modules/gpgsqlbackend/spgsql.cc	3	67.94%
modules/godbcbackend/sodbc.cc	4	70.8%
pdns/recursordist/test-syncres_cc1.cc	7	89.55%
pdns/recursordist/rec-tcp.cc	10	64.87%

Totals
Change from base Build 10939216509:	0.03%
Covered Lines:	124786
Relevant Lines:	162215

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💛 - Coveralls

[Habbie]

two nits, otherwise good, agreed on all the PRs left out of this

[rgacogne]

Rebased on master to get the new version of the mssql image in our CI.

Fixed in the meantime