test(bash-lint): track 'Verify pipeline integrity' in REQUIRED_STEP_DISPLAY_NAMES (#566)

Add the 'Verify pipeline integrity' bash step to the required coverage
list so the lint will immediately detect if generate_integrity_check()
is ever accidentally skipped in compiled fixtures.

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: github-actions[bot]

tests/bash_lint_tests.rs

@@ -108,6 +108,7 @@ const REQUIRED_STEP_DISPLAY_NAMES: &[&str] = &[
     "Evaluate pipeline filters",              // src/compile/extensions/trigger_filters.rs + src/compile/filter_ir.rs
     "Evaluate PR filters",                    // src/compile/filter_ir.rs (GateContext::PullRequest)
     "Verify MCP backends",                    // src/compile/common.rs (--debug-pipeline only)
+    "Verify pipeline integrity",              // src/compile/common.rs generate_integrity_check
 ];
 
 fn ado_aw_binary() -> PathBuf {