Upgrade tcpdf html tag encryption #477

Job	Run time
Static Analysis	4m 24s
Test on php 7.1 and ubuntu-latest	1m 43s
Test on php 7.2 and ubuntu-latest	1m 44s
Test on php 7.3 and ubuntu-latest	1m 55s
Test on php 7.4 and ubuntu-latest	1m 52s
Test on php 8.0 and ubuntu-latest	2m 39s
Test on php 8.1 and ubuntu-latest	1m 57s
Test on php 8.2 and ubuntu-latest	2m 31s
Test on php 5.5 and ubuntu-latest	5m 14s
Test on php 5.6 and ubuntu-latest	4m 59s
Test on php 7.0 and ubuntu-latest	4m 13s
Test on php 8.2 and windows-latest	5m 6s
Test on php 8.3 and ubuntu-latest	2m 40s
Test on php nightly and ubuntu-latest	2m 2s
	42m 59s

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