[fix][ProtobufNativeSchema] Fix build by converting abseil string_view to std::string #1005

Job	Run time
Formatting Check	1m 41s
Lint	26m 51s
Build the Wireshark dissector (ubuntu-latest)	44s
Run unit tests	17m 6s
Build CPP Client on ${{ matrix.name }}	-1s
Build with the C++20 standard	5m 25s
Build CPP Client on macOS with static dependencies	8m 16s
Build ${{ matrix.pkg.name }} ${{ matrix.cpu.platform }}	0s
Check Completion	0s
Formatting Check	1m 41s
Run unit tests	22m 30s
Build the Wireshark dissector (ubuntu-latest)	44s
Lint	26m 51s
Build CPP Client on macOS with static dependencies	8m 16s
Build with the C++20 standard	5m 25s
Build Alpine x86_64	16m 35s
Build CPP Client on Windows x86	29m 31s
Build CPP Client on Windows x64	34m 24s
Build RPM x86_64	12m 36s
Build Deb x86_64	9m 51s
Check Completion	2s
	3h 48m 28s

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