Groovy syntax highlighting falsely finds a method invocation in a string method name

[alexr00]

Does this issue occur when all extensions are disabled?: Yes

• VS Code Version: 1.70.2, 1.71.0
• OS Version: macOS

Steps to Reproduce:

1. Open a new tab with Groovy language
2. Type or paste below code

def 'foo(bar)'() {
    println 'correct syntax highlight'
}

def 'foo (bar)'() {
    println 'correct syntax highlight'
}

def 'f oo(bar)'() {
    println 'incorrect syntax highlight'
}

def ' foo(bar)'() {
    println 'incorrect syntax highlight'
}

Originally from @dawidsawa in microsoft/vscode#159928