Raise an error in frozen mode if some registry gems have empty checksums #12508

Job	Run time
Install Rubygems on Windows (3.4)	3m 55s
Install Rubygems on Windows (3.3)	4m 20s
Install Rubygems on Windows (3.2)	4m 27s
Install Rubygems on Windows (jruby)	5m 27s
Handling issues with a shared gem home (system)	18s
Install Rubygems on Ubuntu (3.2, no-openssl)	1m 47s
Install Rubygems on Ubuntu (3.2, openssl)	2m 1s
Install Rubygems on Ubuntu (3.3, no-openssl)	1m 47s
Install Rubygems on Ubuntu (3.4, openssl)	2m 8s
Install Rubygems on Ubuntu (jruby, openssl)	3m 43s
Install Rubygems on Ubuntu (truffleruby, no-openssl)	3m 6s
Install Rubygems on Ubuntu (3.4, no-openssl)	1m 40s
Install Rubygems on Ubuntu (jruby, no-openssl)	3m 39s
Handling gems shipped by default with RVM (3.4, 3.4.5)	11s
Install Rubygems on Ubuntu (truffleruby, openssl)	3m 24s
Install Rubygems on Ubuntu (3.3, openssl)	2m 17s
Handling gems shipped by default with RVM (3.3, 3.3.9)	11s
Handling gems shipped by default with RVM (3.2, 3.2.9)	11s
Handling issues with a shared gem home (dev)	18s
All install-rubygems jobs pass	4s
	44m 54s

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