system-traffic: Standardize by replacing all wget instances with curl. #2535

Job	Run time
libreswan (ubuntu-24.04)	5s
linux rpm fedora	4m 42s
dpdk gcc (ubuntu-24.04)	5s
linux deb no dpdk	5m 37s
osx clang --disable-ssl	2m 11s
build oss-fuzz fuzzers	3m 4s
clang-analyze	20m 32s
linux gcc --disable-ssl	3m 51s
linux clang --disable-ssl	2m 38s
linux gcc c99	2m 49s
linux clang c99	2m 38s
linux gcc test	8m 18s
linux clang address,undefined test	16m 24s
linux gcc test --enable-shared	11m 37s
linux clang test --enable-shared	11m 0s
linux gcc check check-dpdk dpdk	15m 21s
linux clang check check-dpdk dpdk	15m 21s
linux gcc test -ljemalloc	9m 44s
linux clang test -ljemalloc	8m 43s
linux gcc --enable-afxdp	2m 42s
linux clang --enable-afxdp	2m 43s
linux gcc dpdk --enable-shared	3m 57s
linux clang dpdk --enable-shared	5m 2s
linux gcc dpdk-shared	3m 8s
linux clang dpdk-shared	3m 4s
linux gcc dpdk-shared --enable-shared	5m 22s
linux clang dpdk-shared --enable-shared	4m 4s
linux gcc m32 --disable-ssl	2m 34s
linux gcc check-ovsdb-cluster	8m 17s
linux gcc check-kernel -100	10m 50s
linux gcc check-kernel 100-	6m 5s
linux clang address,undefined check-kernel -100	13m 7s
linux clang address,undefined check-kernel 100-	7m 24s
linux gcc check-offloads -100	10m 5s
linux gcc check-offloads 100-	7m 4s
linux gcc dpdk check-system-userspace	9m 10s
linux clang address,undefined dpdk check-system-userspace	11m 33s
linux gcc dpdk check-system-tso	9m 14s
linux gcc dpdk check-afxdp	9m 17s
	4h 39m 22s

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