Bumped to version 0.7.0 #366

Job	Run time
freebsd12 (CMake) (LLVM)	5m 26s
freebsd13 (CMake) (LLVM)	5m 45s
freebsd14 (CMake) (LLVM)	5m 18s
centos:7 (CMake) (GNU)	3m 24s
debian:12 (Latest Mapnik) (CMake) (GNU)	2m 9s
debian:11 (CMake) (GNU)	2m 0s
ubuntu:22.04 (Latest Mapnik) (CMake) (GNU)	1m 45s
debian:12 (CMake) (GNU)	1m 50s
macos-12 (CMake) (LLVM)	7m 40s
debian:testing (CMake) (GNU)	1m 56s
macos-13 (Autotools) (LLVM)	7m 23s
fedora:38 (CMake) (GNU)	2m 21s
macos-13 (CMake) (LLVM)	11m 47s
fedora:39 (CMake) (GNU)	2m 15s
fedora:rawhide (CMake) (GNU)	2m 8s
opensuse/leap:15 (CMake) (GNU)	4m 24s
ubuntu:20.04 (CMake) (GNU)	2m 22s
ubuntu:rolling (CMake) (GNU)	2m 2s
ubuntu:22.04 (Autotools) (GNU)	1m 46s
ubuntu:22.04 (Autotools) (LLVM)	2m 3s
ubuntu:22.04 (CMake) (GNU)	1m 53s
ubuntu:22.04 (CMake) (LLVM)	1m 58s
	1h 19m 35s

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