chore(deps): update otel/weaver docker tag to v0.21.2

[renovate]

This PR contains the following updates:

Package	Update	Change
otel/weaver	patch	v0.21.0 → v0.21.2

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Release Notes

open-telemetry/weaver (otel/weaver)

v0.21.2: 0.21.2 - 2026-02-03

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Release Notes

• New Experimental feature: weaver serve command to serve a REST API and web UI. (#​1076 by @​jerbly)
• Add support for diff schemas in registry json-schema(#​1105 by @​lmolkova)
• 💥 BREAKING CHANGE 💥 Upgraded JSON schema generation to 2020-12 version of JSON Schema. (#​1125 by @​jerbly)
• New Experimental feature: weaver registry mcp MCP server for a registry with search, get and live_check tools. (#​1113 by @​jerbly)
• Fix (#​1133) - Live-check: correctly handle --no-stats in report mode. (#​1142 by @​jerbly)
• Feature (#​1132) - Live-check: builtin output rendering for json, jsonl and yaml. (#​1157 by @​jerbly)

Install weaver 0.21.2

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/open-telemetry/weaver/releases/download/v0.21.2/weaver-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/open-telemetry/weaver/releases/download/v0.21.2/weaver-installer.ps1 | iex"

Download weaver 0.21.2

File	Platform	Checksum
weaver-aarch64-apple-darwin.tar.xz	Apple Silicon macOS	checksum
weaver-x86_64-apple-darwin.tar.xz	Intel macOS	checksum
weaver-x86_64-pc-windows-msvc.zip	x64 Windows	checksum
weaver-x86_64-pc-windows-msvc.msi	x64 Windows	checksum
weaver-x86_64-unknown-linux-gnu.tar.xz	x64 Linux	checksum

Verifying GitHub Artifact Attestations

The artifacts in this release have attestations generated with GitHub Artifact Attestations. These can be verified by using the GitHub CLI:

gh attestation verify <file-path of downloaded artifact> --repo open-telemetry/weaver

You can also download the attestation from GitHub and verify against that directly:

gh attestation verify <file-path of downloaded artifact> --bundle <file-path of downloaded attestation>

v0.21.1

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Configuration

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