Add support for multiline json #2812

Job	Run time
Python Bindings (ubuntu-latest)	1m 55s
ubuntu-latest x86_64 --with-local-libgcrypt cc	5m 42s
ubuntu-latest x86_64 cc	6m 21s
ubuntu-20.04 x86_64 --with-local-libgcrypt cc	7m 9s
ubuntu-20.04 x86_64 cc	7m 0s
macOS-latest x86_64 --with-local-libgcrypt cc	6m 18s
macOS-latest x86_64 cc	7m 28s
macos-11 x86_64 --with-local-libgcrypt cc	5m 35s
macos-11 x86_64 cc	5m 44s
windows-latest x86_64 --with-local-libgcrypt cc	25m 59s
windows-latest x86_64 cc	13m 6s
ubuntu-20.04 x86_64 gcc-7 --with-pcre --with-maxminddb --with-sanitizer	9m 0s
ubuntu-22.04 x86_64 gcc-12 --with-pcre --with-maxminddb --with-sanitizer --with-lto-and-gold-linker	10m 21s
ubuntu-20.04 x86_64 clang-7 --with-pcre --with-maxminddb --with-sanitizer	11m 19s
ubuntu-22.04 x86_64 clang-14 --with-pcre --with-maxminddb --with-sanitizer --with-lto-and-gold-linker	13m 15s
ubuntu-latest x86_64 cc --with-pcre --with-maxminddb --with-thread-sanitizer	16m 15s
ubuntu-latest x86_64 cc --with-pcre --with-maxminddb --with-sanitizer nBPF	7m 10s
ubuntu-22.04 x86_64 clang-14 --with-pcre --with-maxminddb --with-memory-sanitizer	13m 22s
macOS-latest x86_64 cc --with-pcre --with-maxminddb	5m 5s
macos-12 x86_64 cc --with-pcre --with-maxminddb	5m 27s
ubuntu-latest arm64 cc --with-pcre --with-maxminddb	19m 4s
ubuntu-latest armhf cc --with-pcre --with-maxminddb --with-sanitizer	45m 7s
ubuntu-latest s390x cc --with-pcre --with-maxminddb	18m 23s
Test Utils (ubuntu-latest)	2m 34s
	4h 28m 39s

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