secilc: update to version 3.2

secilc: update to version 3.2

49ff851c secilc: fixes cil_role_statements.md example
03881703 secilc/docs: add custom color theme
4c8d6094 secilc/docs: add syntax highlighting for secil
057d72af secilc/docs: use fenced code blocks for cil examples
e8bcdb84 cil_network_labeling_statements: fixes nodecon examples
eefa5511 cil_access_vector_rules: allowx, auditallowx and dontauditx fixes
9e9b8103 secilc/docs: document expandtypeattribute
fbe1e526 Update the cil docs to match the current behaviour.

Signed-off-by: Dominick Grift <dominick.grift@defensec.nl>