Merge to main to publish v1.7.0

[seonmiJin]

Checklist

The following lists affects Pub Points on pub.dev when the package is published.

• Passed the all tests.
• Verified that the example app works.
• Executed the dart format command.
• Added the API description is added if necessary.

1.7.0

• Implement the ILibScriptInfo class for ScriptInfomation
• Add new methods to ILibLocaleInfo:
  getLanguageName(), getRegionName(), getClock(), getLocale(), getUnits(), getCalendar(), getTimeZone(), getPrimaryGroupingDigits(), getSecondaryGroupingDigits(), getPercentageSymbol(), getExponential(), getNativeExponential(), getNativePercentageSymbol(), getNegativeNumberFormat(), getDigitsStyle(), getDigits(), getNativeDigits(), getRoundingMode(), getScript(), getDefaultScript(), getAllScripts(), getMeridiemsStyle(), getPaperSize(), getDelimiterQuotationStart(), getDelimiterQuotationEnd()
• Implement ILibLocale
• Implement ILibCaseMapper