Add `ndpi_domain_classify_finalize()` function #2995

Job	Run time
Python Bindings (ubuntu-latest)	1m 18s
ubuntu-latest x86_64 --with-local-libgcrypt cc	6m 52s
ubuntu-latest x86_64 cc	6m 0s
ubuntu-20.04 x86_64 --with-local-libgcrypt cc	6m 32s
ubuntu-20.04 x86_64 cc	6m 21s
macOS-latest x86_64 --with-local-libgcrypt cc	9m 1s
macOS-latest x86_64 cc	4m 22s
macos-11 x86_64 --with-local-libgcrypt cc	4m 42s
macos-11 x86_64 cc	4m 50s
windows-latest x86_64 --with-local-libgcrypt cc	28m 0s
windows-latest x86_64 cc	10m 14s
ubuntu-20.04 x86_64 gcc-7 --with-pcre --with-maxminddb --with-sanitizer	13m 24s
ubuntu-22.04 x86_64 gcc-12 --with-pcre --with-maxminddb --with-sanitizer --with-lto-and-gold-linker	11m 17s
ubuntu-20.04 x86_64 clang-7 --with-pcre --with-maxminddb --with-sanitizer	13m 53s
ubuntu-22.04 x86_64 clang-14 --with-pcre --with-maxminddb --with-sanitizer --with-lto-and-gold-linker	16m 1s
ubuntu-latest x86_64 cc --with-pcre --with-maxminddb --with-thread-sanitizer	24m 12s
ubuntu-latest x86_64 cc --with-pcre --with-maxminddb --with-sanitizer nBPF	8m 45s
ubuntu-22.04 x86_64 clang-14 --with-pcre --with-maxminddb --with-memory-sanitizer	15m 10s
macOS-latest x86_64 cc --with-pcre --with-maxminddb	7m 45s
macos-12 x86_64 cc --with-pcre --with-maxminddb	5m 5s
ubuntu-latest arm64 cc --with-pcre --with-maxminddb	21m 32s
ubuntu-latest armhf cc --with-pcre --with-maxminddb --with-sanitizer	40m 28s
ubuntu-latest s390x cc --with-pcre --with-maxminddb	20m 6s
Test Utils (ubuntu-latest)	2m 42s
	4h 48m 32s

Provide feedback