demo: add alter_job entry showing name without _stmt suffix

[ebembi-crdb]

What this demonstrates

The correct _stmt suffix scenario:

• name: "alter_job" — no _stmt suffix; this becomes the BNF/HTML filename
• stmt: "alter_job_stmt" — the grammar rule name in sql.y

The BZL files previously had alter_job_stmt entries (the pre-existing state before this diagrams.go entry was added). This PR renames them to alter_job — not adds a second entry alongside them.

File	Change
diagrams.go	Added stmtSpec{name: "alter_job", stmt: "alter_job_stmt"}
BUILD.bazel	"alter_job_stmt" → "alter_job" in FILES
bnf.bzl	alter_job_stmt.bnf → alter_job.bnf
docs.bzl	alter_job_stmt.bnf → alter_job.bnf
diagrams.bzl	No change — svg genrule already strips _stmt, so alter_job.html was already present

[github-actions]

SQL Diagram Generation Report

✔️ No diagram changes detected

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[github-actions]

SQL Diagram Generation Report

✔️ No diagram changes detected

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This comment was generated by the SQL Diagram CI workflow.

[github-actions]

SQL Diagram Generation Report

✅ Validation Passed

🔄 Diagram changes detected
A PR has been opened to sync these changes: ebembi-crdb/generated-diagrams#23

SKIP DOC Warnings (click to expand)

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