[clang-format]: no space after trailing comment

[scruel]

For clang-format version 15.0.1

.clang-format:

SpacesInLineCommentPrefix:
  Minimum: 1
  Maximum: -1

Original:

int main() {
  int a = 0; //dsa
}

Excepted:

int main() {
  int a = 0; // dsa
}

Actual:

int main() {
  int a = 0; //dsa
}