Update package references in README.

[Maikuolan]

Replaces softhub99/zest_framework (marked as abandoned at Packagist) with zest/framework (Zest's current package identity).

[peter279k]

The failed test is as follows:

There were 2 errors:

1) Framework\Tests\Archive\GzipTest::testExtract
gzopen(/home/runner/work/Zest_Framework/Zest_Framework/Tests/Archive/Zest.png.gz): Failed to open stream: `9' is not a valid mode for fopen

/home/runner/work/Zest_Framework/Zest_Framework/src/Archive/Adapter/Gzip.php:87
/home/runner/work/Zest_Framework/Zest_Framework/Tests/Archive/GzipTest.php:14

2) Framework\Tests\Archive\GzipTest::testCompress
gzopen(/home/runner/work/Zest_Framework/Zest_Framework/Tests/Archive/Zest.png.gz): Failed to open stream: `9' is not a valid mode for fopen

/home/runner/work/Zest_Framework/Zest_Framework/src/Archive/Adapter/Gzip.php:87
/home/runner/work/Zest_Framework/Zest_Framework/Tests/Archive/GzipTest.php:26

According to the gzopen function usage, the default $mode 9 is not valid for second argument on gzopen() function.

[peter279k]

The problematic code is available here and it causes failed Gzip tests:

[Maikuolan]

According to the gzopen function usage, the default $mode 9 is not valid for second argument on gzopen() function.

Good catch. :-)

But, seeing as this particular PR only deals with the README file, if possible, let's open a new, separate PR to deal with the Gzip test failures. 👍

[Maikuolan]

Found the origin:

f41b098#diff-2b1361607945a8d7663b9ee08966ac0d223c481cdf19dbfacdf6ecbfffd2a121R74

[Maikuolan]

I'll create a new PR now for the Gzip tests.

[Maikuolan]

Done (#341).

[lablnet]

👍