Updates AMS to V6.1 #684

Job	Run time
windows-latest (release) [Pandoc 3.5]	15m 14s
macOS-latest (release) [Pandoc 3.5]	6m 10s
ubuntu-latest (release) [Pandoc devel]	6m 24s
ubuntu-latest (release) [Pandoc 3.2.1]	7m 1s
ubuntu-latest (release) [Pandoc 3.1.7]	6m 57s
ubuntu-latest (release) [Pandoc 2.19.2]	6m 14s
ubuntu-latest (release) [Pandoc 2.18]	6m 53s
ubuntu-latest (release) [Pandoc 2.17.1.1]	7m 25s
ubuntu-latest (release) [Pandoc 2.16.2]	6m 11s
ubuntu-latest (release) [Pandoc 2.14.2]	6m 22s
ubuntu-latest (release) [Pandoc 2.11.4]	6m 15s
ubuntu-latest (release) [Pandoc 2.7.3]	5m 45s
ubuntu-latest (release) [Pandoc 2.5]	5m 35s
ubuntu-latest (devel) [Pandoc 2.11.4]	6m 22s
ubuntu-latest (oldrel-1) [Pandoc 2.11.4]	6m 13s
ubuntu-latest (oldrel-2) [Pandoc 2.11.4]	6m 35s
ubuntu-latest (oldrel-3) [Pandoc 2.11.4]	6m 22s
	1h 57m 58s

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