fix(examples): meta4

[jaekwon]

All commits must ensure that gnovm and examples 'make test' succeeds.
This PR is primarily for fixing the gno.land project, but other commits are welcome.

[Gno2D2]

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🔴 Changes to 'docs' folder must be reviewed/authored by at least one devrel and one tech-staff

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🔴 Changes to 'docs' folder must be reviewed/authored by at least one devrel and one tech-staff

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Changes to 'docs' folder must be reviewed/authored by at least one devrel and one tech-staff

If

🟢 Condition met
└── 🟢 And
    ├── 🟢 The base branch matches this pattern: ^master$
    └── 🟢 A changed file matches this pattern: ^docs/ (filename: docs/resources/gno-interrealm.md)

Then

🔴 Requirement not satisfied
└── 🔴 And
    ├── 🟢 Or
    │   ├── 🟢 Pull request author is a member of the team: tech-staff
    │   └── 🔴 At least 1 user(s) of the team tech-staff reviewed pull request(with state "APPROVED")
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        ├── 🔴 Pull request author is a member of the team: devrels
        └── 🔴 At least 1 user(s) of the team devrels reviewed pull request(with state "APPROVED")

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[thehowl]

I made a PR to remove istypednil, that fixes the gno2go tests: #4259