Bump softprops/action-gh-release to v2 #81

Job	Run time
sbcl-bin / quicklisp on ubuntu-latest	55s
sbcl-bin / ultralisp on ubuntu-latest	53s
sbcl-bin / quicklisp on windows-latest	1m 48s
sbcl-bin / ultralisp on windows-latest	1m 50s
sbcl-bin / quicklisp on macos-latest	1m 10s
sbcl-bin / ultralisp on macos-latest	53s
ccl-bin/1.12.2 / quicklisp on ubuntu-latest	55s
ccl-bin/1.12.2 / ultralisp on ubuntu-latest	45s
ccl-bin/1.12.2 / quicklisp on macos-latest	1m 2s
ccl-bin/1.12.2 / ultralisp on macos-latest	1m 3s
ecl/23.9.9 / quicklisp on ubuntu-latest	3m 54s
ecl/23.9.9 / ultralisp on ubuntu-latest	3m 51s
ecl/23.9.9 / quicklisp on macos-latest	2m 40s
ecl/23.9.9 / ultralisp on macos-latest	2m 30s
	24m 9s

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