Merge branch 'bugfix/stringify-appfile-makefile' #1149

Job	Run time
Build on Linux with Perl 5.32	5m 33s
Build on Linux with Perl 5.30	7m 15s
Build on Linux with Perl 5.20	5m 31s
Test downstream on 5.32	22m 13s
Test Dancer on 5.32	7m 47s
Test Dancer on 5.30	8m 12s
Test Dancer on 5.12	6m 41s
Native on OS ubuntu-latest Perl 5.32	7m 7s
Native on OS macos-latest Perl 5.32	11m 25s
	1h 21m 44s

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