TMP: do not reduce srv.est_conns #2308

Job	Run time
Generate Build Matrix	6s
ubuntu-latest, gcc, no features	1m 26s
ubuntu-latest, gcc, all features	2m 11s
ubuntu-latest, gcc, ASAN, all features	3m 18s
ubuntu-latest, gcc, gz=zlib=1	1m 25s
ubuntu-latest, gcc, ssl=stock	2m 25s
ubuntu-latest, gcc, ssl=openssl=1.0.2u	2m 7s
ubuntu-latest, gcc, ssl=openssl=1.1.1s	1m 51s
ubuntu-latest, gcc, ssl=quictls=yes	5m 33s
ubuntu-latest, gcc, ssl=openssl=3.1.2	2m 14s
ubuntu-latest, gcc, ssl=libressl=3.8.0	2m 3s
ubuntu-latest, clang, no features	1m 46s
ubuntu-latest, clang, all features	2m 33s
ubuntu-latest, clang, ASAN, all features	2m 51s
ubuntu-latest, clang, gz=zlib=1	1m 31s
ubuntu-latest, clang, ssl=stock	2m 18s
ubuntu-latest, clang, ssl=openssl=1.0.2u	1m 46s
ubuntu-latest, clang, ssl=openssl=1.1.1s	2m 14s
ubuntu-latest, clang, ssl=quictls=yes	5m 4s
ubuntu-latest, clang, ssl=openssl=3.1.2	1m 45s
ubuntu-latest, clang, ssl=libressl=3.8.0	1m 53s
macos-latest, clang, no features	1m 58s
	50m 18s

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