Prepare 2.1.0 release #1156

Job	Run time
Linux Debug (gcc 8.3)	13m 46s
Linux Release (gcc 8.3)	13m 30s
Linux Debug (gcc 9.1)	15m 47s
Linux Release (gcc 9.1)	15m 8s
Linux Debug (gcc 10.1)	16m 29s
Linux Release (gcc 10.1)	15m 57s
macOS Debug, Xcode 15.4, REALM_DISABLE_ALIGNED_STORAGE=1	5m 8s
Windows Debug	18m 43s
Linux Debug (gcc 11.1)	15m 45s
macOS Debug, Xcode 15.4, REALM_DISABLE_ALIGNED_STORAGE=0	7m 18s
macOS Release, Xcode 15.4, REALM_DISABLE_ALIGNED_STORAGE=1	5m 31s
Linux Release (gcc 11.1)	15m 21s
Windows Release	22m 45s
macOS Release, Xcode 15.4, REALM_DISABLE_ALIGNED_STORAGE=0	3m 20s
Linux Debug (gcc 12.1)	15m 48s
Linux Release (gcc 12.1)	15m 52s
Linux Debug (clang 15)	11m 53s
Linux Release (clang 15)	12m 26s
Stop Stray Containers	2s
	4h 0m 29s

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