Azure CI: Update flang call in OSX_LLVM_flangnew job (#5208) #5549

Job	Run time
cross_build (mips64el, mips64el-linux-gnuabi64, DYNAMIC_ARCH=1 TARGET=GENERIC)	3m 38s
neoverse_build	9m 18s
msys2 (UCRT64, int32, Release)	1h 48m 8s
cross_build (alpha, alpha-linux-gnu, TARGET=EV4)	7m 44s
msys2 (UCRT64, int64, Release)	1h 45m 9s
msys2 (CLANG64, int32, Release)	1h 11m 35s
cross_build (mipsel, mipsel-linux-gnu, TARGET=MIPS1004K)	8m 42s
msys2 (UCRT64, int32, None, mingw-w64-ucrt-x86_64, fc)	11m 31s
build (ubuntu-latest, flang, make)	17m 50s
cross_build (riscv64, riscv64-linux-gnu, TARGET=RISCV64_GENERIC)	7m 37s
build (ubuntu-latest, gfortran, cmake)	45m 13s
msys2 (MINGW32, int32, Release)	1h 9m 53s
msys2 (CLANG64, int64, Release)	1h 11m 13s
build (ubuntu-latest, flang, cmake)	44m 14s
build (ubuntu-latest, gfortran, make)	21m 33s
build (macos-latest, gfortran, cmake)	28m 49s
build (macos-latest, gfortran, make)	11m 24s
	10h 43m 31s

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