Add documentation about Undefined Behavior #20649

Job	Run time
build-sway-examples	4m 39s
build-reference-examples	1m 23s
get-fuel-core-version	48s
build-sway-lib-core	4m 19s
build-forc-doc-sway-lib-std	5m 50s
build-sway-lib-std	1m 14s
forc-fmt-check-sway-lib-core	3m 55s
build-mdbook	4m 49s
check-sdk-harness-test-suite-compatibility	46s
forc-fmt-check-panic	4m 50s
forc-fmt-check-sway-examples	3m 59s
forc-fmt-check-sway-lib-std	3m 48s
build-forc-test-project	5m 16s
cargo-build-workspace	8m 33s
cargo-clippy	4m 46s
cargo-fmt-check	15s
cargo-run-e2e-test-evm	2m 24s
cargo-toml-fmt-check	2m 37s
cargo-run-e2e-test-midenvm	7m 53s
cargo-test-lib-std	2m 51s
cargo-test-sway-lsp	5m 30s
cargo-test-workspace	4m 58s
cargo-unused-deps-check	4m 19s
forc-pkg-fuels-deps-check	32s
forc-unit-tests	2m 1s
forc-run-benchmarks	3m 59s
pre-publish-check	0s
cargo-run-e2e-test	12m 44s
cargo-run-e2e-test-release	13m 47s
cargo-test-forc-debug	3m 54s
cargo-test-forc-client	3m 52s
notify-slack-on-failure	3s
build-publish-master-image	0s
publish	0s
build-publish-release-image	0s
Build and upload forc binaries to release	0s
	2h 10m 34s

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