Fix draw_callseq_mermaid cell name

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "breakshaft"
-version = "0.1.3"
+version = "0.1.3.post1"
 description = "Library for in-time codegen for type conversion"
 authors = [
     { name = "nikto_b", email = "niktob560@yandex.ru" }

src/breakshaft/util_mermaid.py

@@ -74,7 +74,7 @@ def draw_callseq_mermaid(callseq: list[ConversionPoint]):
     ret = ['flowchart TD\n\n']
     ret += ['   %%defs:']
     for cp_i, cp in enumerate(callseq):
-        ret.append(f'    e{cp_i}[{shield_mermaid_name(str(cp))}]')
+        ret.append(f'    e{cp_i}["{shield_mermaid_name(str(cp))}"]')
     ret += ['', '', '   %%edges:']
     for cp_i, cp in enumerate(callseq[:-1]):
         ret.append(f'    e{cp_i}-->e{cp_i + 1}')