[mercury][showcase] Update chameleon-mercury compatibility table.ts

[bsastregx]

Changes in this PR

The chameleon-mercury compatibility table was fixed for the most recent row:

before

export const mercuryCompatibilityTable: {
  version: string;
  chameleon: string;
}[] = [
  { version: "0.23.0 - 0.28.1", chameleon: "^6.7.0" },
  // ... other versions
];

after

export const mercuryCompatibilityTable: {
  version: string;
  chameleon: string;
}[] = [
  { version: "^0.23.0", chameleon: "^6.7.0" },
  // ... other versions
];

Why this fix?
The previous notation "0.23.0 - 0.28.1" indicated compatibility with Mercury versions up to 0.28.1 inclusive, but in fact, Chameleon version ^6.7.0 is compatible with any minor updates starting from 0.23.0.

Therefore, it was changed to the ^0.23.0 notation to better reflect broad compatibility with all subsequent versions within the same major version.