chore: Upgraded references in github workflows

[ebadiere]

This PR updates the references to node from v18 to v20.

Related issue(s):

Fixes #1008

[github-actions[bot]]

Test Results

 16 files  ±0   83 suites  ±0   12m 0s :stopwatch: +10s 294 tests +5  288 :white_check_mark: +8  6 :zzz: ±0  0 :x:  - 3  303 runs  ±0  296 :white_check_mark: +3  7 :zzz: ±0  0 :x:  - 3 

Results for commit 9c0a3866. ± Comparison against base commit 25b0c331.

This pull request removes 1 and adds 6 tests. Note that renamed tests count towards both.

``` "before each" hook for "Should burn token" ‑ @OZERC1155Token Test Suite "before each" hook for "Should burn token" ``` ``` Should NOT allow a non-operator to transfer tokens to another account ‑ @OZERC1155Token Test Suite Should NOT allow a non-operator to transfer tokens to another account Should NOT burn insufficient amount of token ‑ @OZERC1155Token Test Suite Should NOT burn insufficient amount of token Should allow an operator to transfer a token to another account ‑ @OZERC1155Token Test Suite Should allow an operator to transfer a token to another account Should allow an operator to transfer tokens in batch to another account ‑ @OZERC1155Token Test Suite Should allow an operator to transfer tokens in batch to another account Should burn token in batch ‑ @OZERC1155Token Test Suite Should burn token in batch Should burn token ‑ @OZERC1155Token Test Suite Should burn token ```