On that wiki link you posted it states:
If any opcode marked as disabled is present in a script, it must abort and fail.
An attempted UTXO spend with a failed script will not be relayed between nodes running Bitcoin Core (and other major implementations) and certainly won't be included in a mined block.
The mainnet coinbase transaction you link to includes ...
The secret is that it is being interpreted as an opcode.
Opcodes 0x01 through 0x4b (decimal 1 to 75) are opcodes that specify the length of the data being pushed after them, as their own numerical value. That is to say, 0x01 means it is followed by 1 byte of data, 0x02 means 2 bytes, and so on.
This lets you push up to 75 bytes of data using a single op code ...
To construct the script you could use Pieter Wuille's Miniscript site.
If you go to the Policy to Miniscript compiler section there is an example in Policy for a 2-of-2 multisig that turns into a 1-of-2 multisig after 90 days.
You would need to adjust it for your desired example. A Policy that fits your ...