Exclude CHAR elements in bind variables from code inspection #51
Description
When checking the definition source of bind variables, literal elements are excluded, but CHAR elements cause an error.
Add them as elements to be excluded.
https://github.com/domaframework/doma-tools-for-intellij/blob/main/src/main/kotlin/org/domaframework/doma/intellij/inspection/sql/inspector/SqlBindVariableValidInspector.kt#L256