Add convenience wrapper for pragma optimize #336

Job	Run time
rubocop	9s
basic	19s
FreeBSD	2m 13s
fedora:40	2m 7s
Setup for native gem tests	15s
sqlcipher (ubuntu, 3.3)	23s
sqlcipher (ubuntu, 3.1)	34s
valgrind	38s
sqlcipher (macos, 3.3)	21s
test (ubuntu, 3.3, enable)	24s
sqlcipher (macos, 3.1)	23s
test (ubuntu, 3.3, disable)	21s
sqlcipher (windows, 3.3)	2m 4s
test (ubuntu, 3.2, enable)	22s
sqlcipher (windows, 3.1)	2m 9s
test (ubuntu, 3.2, disable)	24s
sqlcipher (windows, mingw)	2m 11s
test (ubuntu, 3.1, enable)	23s
sqlcipher (windows, mswin)	2m 9s
test (ubuntu, 3.1, disable)	26s
test (macos, 3.3, enable)	24s
test (macos, 3.3, disable)	23s
test (macos, 3.2, enable)	20s
test (macos, 3.2, disable)	23s
test (macos, 3.1, enable)	23s
test (macos, 3.1, disable)	29s
test (windows, 3.3, enable)	1m 36s
test (windows, 3.3, disable)	1m 37s
test (windows, 3.2, enable)	1m 36s
test (windows, 3.2, disable)	1m 34s
test (windows, 3.1, enable)	1m 34s
test (windows, 3.1, disable)	1m 42s
test (ubuntu, truffleruby, disable)	49s
test (windows, ucrt, enable)	1m 8s
test (windows, mswin, enable)	1m 35s
build source	1s
build native (aarch64-linux-gnu)	1m 0s
build native (aarch64-linux-musl)	1m 17s
build native (arm-linux-gnu)	57s
build native (arm-linux-musl)	56s
build native (arm64-darwin)	59s
build native (x64-mingw-ucrt)	34s
build native (x86-linux-gnu)	1s
build native (x86-linux-musl)	1s
build native (x86_64-darwin)	1s
build native (x86_64-linux-gnu)	1s
build native (x86_64-linux-musl)	1s
test source	1s
${{ matrix.platform }} ${{ matrix.ruby }}	1s
${{ matrix.platform }} ${{ matrix.ruby }}	1s
cruby-x86_64-linux-musl-install	1s
	39m 41s

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