Bump softprops/action-gh-release from 1 to 2 #1052

Job	Run time
quicktests	1m 5s
lint	43s
unittests (ubuntu-latest)	1m 37s
unittests (self-hosted, linux, arm64)	1m 57s
coverage	56s
unittests (macos-latest)	3m 3s
unittests (self-hosted, macos, arm64)	1m 26s
unittests (windows-latest)	4m 29s
Build postcli (ubuntu-latest)	32s
Build postcli (self-hosted, linux, arm64)	18s
Build postcli (macos-latest)	1m 30s
Build postcli (self-hosted, macos, arm64)	25s
Build postcli (windows-latest)	1m 40s
Publish release	0s
	19m 41s

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