Bump rexml from 3.4.1 to 3.4.2 in /spec/bundler/realworld/fixtures/warbler in the bundler group across 1 directory #611

Job	Run time
cargo clippy	30s
cargo test	50s
make (yjit-bindgen, To fix: use patch in logs, --with-gcc=clang-14 --enable-yjit=dev, /usr/lib/ll...	5m 23s
make (check, RUSTC='rustc +1.58.0', 1.58.0)	9m 27s
make (check, --enable-yjit=dev)	12m 43s
make (test-bundled-gems, --enable-yjit=dev)	26m 39s
make (check, --enable-yjit=dev, --yjit-call-threshold=1 --yjit-verify-ctx --yjit-code-gc, -T --yj...	16m 26s
YJIT Ubuntu result	2s
	1h 12m 0s

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