Warning JavaScript

Good morning! I have to say that the site respects the w3c standards. I used the official validator (https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.settimanalelancora.it%2F#l452c63) and I am reporting this warning

Warning: The type attribute is unnecessary for JavaScript resources.
From line 1662, column 1; to line 1662, column 141
</script>↩<script type=’text/javascript’ src=’https://www.settimanalelancora.it/wp-content/plugins/wp-accessibility/toolbar/js/jquery.scrollto.min.js’></scri

Warning: The type attribute is unnecessary for JavaScript resources.
From line 1668, column 1; to line 1668, column 126
</script>↩<script type=’text/javascript’ src=’https://www.settimanalelancora.it/wp-content/plugins/wp-accessibility/toolbar/js/a11y.js’></scri

Warning: The type attribute is unnecessary for JavaScript resources.
From line 1674, column 1; to line 1674, column 124
</script>↩<script type=’text/javascript’ src=’https://www.settimanalelancora.it/wp-content/plugins/wp-accessibility/js/wpa.labels.js’></scri

Warning: The type attribute is unnecessary for JavaScript resources.
From line 1675, column 1; to line 1675, column 129
</script>↩<script type=’text/javascript’ src=’https://www.settimanalelancora.it/wp-content/plugins/wp-accessibility/js/longdesc.button.js’></scri

how can I solve them?
thankyou

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