Reduce VM size by supporting compilers from 3 last OTP releases

[pguyot]

Update few CI tests to optimize VM for the tested OTP version Fix accordingly conditions for following opcodes:

• OP_BS_MATCH_STRING is generated by at least OTP 21 to 27
• OP_BS_TEST_UNIT is generated by at least OTP 21 to 25

This can be combined with #1347

These changes are made under both the "Apache 2.0" and the "GNU Lesser General Public License 2.1 or later" license terms (dual license).

SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later

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