fix(plsql): add remaining missing tokens to regular_id (#49)

Add all missing tokens from the grammar sync to regular_id:
- ACCESSIBLE, NOLOG, ORC, PARQUET, RCFILE
- STRUCT, TDO, TEMPLATE_TABLE, TEXTFILE

These tokens exist in upstream grammars-v4 regular_id rule.

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: vsai12

plsql/PlSqlParser.g4

@@ -7512,6 +7512,7 @@ regular_id
     | REGULAR_ID
     | ABSENT
     | A_LETTER
+    | ACCESSIBLE
     | BYTES
     | CHARSETFORM
     | CHARSETID
@@ -7527,11 +7528,19 @@ regular_id
     | MAXLEN
     | NEWLINE_
     | NOEXTEND
+    | NOLOG
     | NOSCALE
     | NOSHARD
+    | ORC
+    | PARQUET
     | POLYMORPHIC
+    | RCFILE
     | RECORDS
     | SHARD
+    | STRUCT
+    | TDO
+    | TEMPLATE_TABLE
+    | TEXTFILE
     | AGENT
     | AGGREGATE
     | ANALYZE