rec: reload proxy settings on rec_control reload-acls

[omoerbeek]

Fixes #14096

I should spend some time to write a test framework for the various config reload cases.

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 13365073820

Details

• 56 of 64 (87.5%) changed or added relevant lines in 3 files are covered.
• 31 unchanged lines in 10 files lost coverage.
• Overall coverage increased (+2.3%) to 64.495%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pdns/recursordist/rec-rust-lib/cxxsupport.cc	0	2	0.0%
pdns/recursordist/rec-main.cc	44	50	88.0%

Files with Coverage Reduction	New Missed Lines	%
modules/gpgsqlbackend/gpgsqlbackend.cc	1	88.62%
pdns/backends/gsql/gsqlbackend.hh	1	97.71%
pdns/dnsdistdist/dnsdist-crypto.cc	1	76.01%
pdns/recursordist/rec-rust-lib/cxxsupport.cc	1	75.64%
pdns/sstuff.hh	2	56.83%
pdns/iputils.cc	3	56.07%
pdns/recursordist/test-syncres_cc2.cc	3	88.85%
pdns/stubresolver.cc	3	77.02%
pdns/signingpipe.cc	5	83.11%
pdns/recursordist/test-syncres_cc1.cc	11	89.45%

Totals
Change from base Build 13345043114:	2.3%
Covered Lines:	127638
Relevant Lines:	166914

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💛 - Coveralls