[rubygems/rubygems] Fix `bundle outdated <GEM>` failing if gems not i… #527

Job	Run time
cargo test	59s
cargo clippy	27s
make (yjit-bindgen, To fix: use patch in logs, --with-gcc=clang-12 --enable-yjit=dev)	5m 2s
make (check, RUSTC='rustc +1.58.0', 1.58.0)	8m 30s
make (check, --enable-yjit=dev)	12m 37s
make (check, --enable-yjit=dev, --yjit-call-threshold=1 --yjit-verify-ctx --yjit-code-gc, -T --yj...	17m 25s
make (test-bundled-gems, --enable-yjit=dev)	18m 42s
make (yjit-bench, --enable-yjit=dev, --yjit-stats, true)	5m 52s
YJIT Ubuntu result	1s
	1h 9m 35s

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