Add support for STATEPATH via ups.conf #2507

Job	Run time
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, no, no)	4m 21s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, no, libusb-1.0)	4m 31s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, no, libusb-0.1)	4m 23s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, nss, no)	4m 9s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, nss, libusb-1.0)	4m 29s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, nss, libusb-0.1)	4m 31s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, openssl, no)	4m 50s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, openssl, libusb-1.0)	4m 19s
Analyze (cpp, ubuntu-latest, CC=gcc CXX=g++, openssl, libusb-0.1)	4m 32s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, no, no)	4m 14s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, no, libusb-1.0)	4m 20s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, no, libusb-0.1)	4m 34s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, nss, no)	4m 34s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, nss, libusb-1.0)	4m 43s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, nss, libusb-0.1)	4m 41s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, openssl, no)	4m 15s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, openssl, libusb-1.0)	4m 21s
Analyze (cpp, ubuntu-latest, CC=clang CXX=clang++, openssl, libusb-0.1)	4m 37s
Analyze (python, ubuntu-latest, PYTHON=python3, no, no)	48s
	1h 21m 12s

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