Replace mono_delivery_time with tstamp_type #32391

Job	Run time
set-matrix	1m 2s
aarch64-gcc / build-release	0s
s390x-gcc / build-release	0s
x86_64-gcc / build-release	0s
aarch64-gcc / build / build for aarch64 with gcc	4m 48s
s390x-gcc / build / build for s390x with gcc	6m 24s
x86_64-llvm-17 / build / build for x86_64 with llvm-17	6m 12s
x86_64-gcc / build / build for x86_64 with gcc	6m 10s
x86_64-llvm-17 / build-release / build for x86_64 with llvm-17 and -O2 optimization	5m 34s
x86_64-llvm-18 / build / build for x86_64 with llvm-18	5m 57s
x86_64-llvm-18 / build-release / build for x86_64 with llvm-18 and -O2 optimization	5m 42s
aarch64-gcc / veristat	0s
aarch64-gcc / test	0s
x86_64-gcc / test	0s
x86_64-gcc / veristat	0s
x86_64-llvm-17 / veristat	0s
x86_64-llvm-17 / test	0s
s390x-gcc / veristat	0s
s390x-gcc / test	0s
x86_64-llvm-18 / veristat	0s
x86_64-llvm-18 / test	0s
	41m 49s

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