[Swift] Provide access to underlying pointer for Scalars and NativeStructs #6637

Job	Run time
Build Linux (g++-13)	1m 51s
Build Windows C++ (11)	3m 29s
Build Linux (clang++-18)	2m 3s
Build Linux C++ (11, g++-13)	1m 47s
Build Windows C++ (14)	3m 57s
Build Linux with out-of-source build location	1m 12s
Build Linux C++ (11, clang++-18)	2m 3s
Build Windows C++ (17)	3m 41s
Build Linux C++ (14, g++-13)	1m 53s
Build Windows C++ (20)	6m 7s
Build Linux C++ (14, clang++-18)	2m 0s
Build Android (on Linux)	4m 5s
Build .NET Windows	18s
Build Windows C++ (23)	5m 35s
Build .NET Windows (-p:UnsafeByteBuffer=true)	1m 44s
Build Linux C++ (17, g++-13)	2m 0s
Check Generated Code (g++-13)	1m 4s
Build Linux C++ (17, clang++-18)	2m 11s
Check Generated Code on Windows	4m 30s
Check Generated Code (clang++-18)	1m 11s
Build Linux with -DFLATBUFFERS_NO_FILE_TESTS	2m 4s
Build Linux C++ (20, g++-13)	2m 4s
Build Linux C++ (20, clang++-18)	2m 27s
Build Mac (universal build)	8m 8s
Build Linux C++ (23, g++-13)	2m 5s
Build Mac (for Intel)	2m 5s
Build Windows 2019	3m 41s
Build Benchmarks (on Linux) (g++-13)	2m 51s
Build Go	1m 20s
Build Java	21s
Build Kotlin Linux	2m 57s
Build Kotlin MacOS	5m 35s
Build PHP	55s
Build Python	56s
Build Rust Linux	1m 52s
Build Rust Windows	1m 17s
Build Swift (5.8)	2m 5s
Build Swift Wasm	3m 14s
Build TS	1m 18s
Build Swift (5.9)	2m 25s
Build Swift (5.10)	2m 14s
Build Dart	1m 14s
Build Nim	1m 6s
release-digests	0s
provenance	0s
	1h 46m 55s

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