fix: allow colon in short flags

Author: blindFS

grammar.js

@@ -1246,7 +1246,7 @@ module.exports = grammar({
         optional($._flag_equals_value),
       ),
 
-    short_flag_identifier: (_$) => token.immediate(/[\p{XID_Continue}?@!%_-]+/),
+    short_flag_identifier: (_$) => token.immediate(/[\p{XID_Continue}:?@!%_-]+/),
 
     long_flag: ($) =>
       seq(

src/grammar.json

@@ -16011,7 +16011,7 @@
       "type": "IMMEDIATE_TOKEN",
       "content": {
         "type": "PATTERN",
-        "value": "[\\p{XID_Continue}?@!%_-]+"
+        "value": "[\\p{XID_Continue}:?@!%_-]+"
       }
     },
     "long_flag": {

src/parser.c

@@ -11103,7 +11103,7 @@ static const TSCharacterRange aux_sym__record_key_token1_character_set_1[] = {
 };
 
 static const TSCharacterRange sym_short_flag_identifier_character_set_1[] = {
-  {'!', '!'}, {'%', '%'}, {'-', '-'}, {'0', '9'}, {'?', 'Z'}, {'_', '_'}, {'a', 'z'}, {0xaa, 0xaa},
+  {'!', '!'}, {'%', '%'}, {'-', '-'}, {'0', ':'}, {'?', 'Z'}, {'_', '_'}, {'a', 'z'}, {0xaa, 0xaa},
   {0xb5, 0xb5}, {0xb7, 0xb7}, {0xba, 0xba}, {0xc0, 0xd6}, {0xd8, 0xf6}, {0xf8, 0x2c1}, {0x2c6, 0x2d1}, {0x2e0, 0x2e4},
   {0x2ec, 0x2ec}, {0x2ee, 0x2ee}, {0x300, 0x374}, {0x376, 0x377}, {0x37b, 0x37d}, {0x37f, 0x37f}, {0x386, 0x38a}, {0x38c, 0x38c},
   {0x38e, 0x3a1}, {0x3a3, 0x3f5}, {0x3f7, 0x481}, {0x483, 0x487}, {0x48a, 0x52f}, {0x531, 0x556}, {0x559, 0x559}, {0x560, 0x588},