[SR SQL Planner Summer Camp] New Parser and Analyzer support CreateRoleStmt

[mchades]

What type of PR is this：

• [x] enhancement

Which issues of this PR fixes ：

Fixes #7950

[mchades]

run starrocks_fe_unittest

[HangyuanLiu]

Please rebase code and I will merge PR as soon as possible

[mchades]

run starrocks_fe_unittest

[sonarqubecloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
2 Code Smells

0.0% Coverage
0.0% Duplication

[wanpengfei-git]

[FE PR Coverage Check]

:heart_eyes: pass : 21 / 23 (91.30%)

file detail

	path	covered_line	new_line	coverage	not_covered_line_detail
:large_blue_circle:	com/starrocks/sql/ast/AstVisitor.java	0	1	00.00%	[467]
:large_blue_circle:	com/starrocks/sql/analyzer/PrivilegeChecker.java	2	3	66.67%	[545]
:large_blue_circle:	com/starrocks/sql/analyzer/Analyzer.java	2	2	100.00%	[]
:large_blue_circle:	com/starrocks/sql/parser/AstBuilder.java	2	2	100.00%	[]
:large_blue_circle:	com/starrocks/analysis/CreateRoleStmt.java	3	3	100.00%	[]
:large_blue_circle:	com/starrocks/sql/analyzer/PrivilegeStmtAnalyzer.java	12	12	100.00%	[]

[wanpengfei-git]

run starrocks_admit_test