fix: getter and setter for no-dedupe

[SebastienGllmt]

Fix #431

Summary of problem

The following code failed because get occurs twice (it should instead be comparing function names)

export interface Foo {
    get foo(): boolean;
    get bar(): string;
}

root cause: the function call getParameterName(identifierNode, context) did not take into account that get and set tokens may occur before the variable name. This PR fixes this.

[gajus]

🎉 This PR is included in version 4.3.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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