CLSA-2022-1668468696 php: Fix of 3 CVEs

CVE-2022-37454: Fix buffer overflow in the Keccak XKCP SHA-3 reference implementation - CVE-2022-31630: Fix OOB read due to insufficient input validation in imageloadfont - CVE-2021-21707: Fix improper handlig of special character which breaks path in xml parsing...