Revert the last two commits from main

[leo-sift]

Summary

Revert the two most recent commits currently on main in a single revert commit.

What Changed

• Reverts 5f628e5 (Update plugin dependencies to address CVEs (#60))
• Reverts e5caab4 (Fix: update sharelink url format for e2 (#58))

Why

This backs those changes out of main while preserving a separate replay branch for reintroduction through a follow-up PR.

[github-actions]

⚠️ Plugin Validation Failed

Validation issues were found. These will not block merging but must be resolved before publishing to the Grafana plugin catalog.

Validation output

recommendation: You can include a sponsorship link if you want users to support your work
detail: Consider to add a sponsorship link in your plugin.json file (Info.Links section: with Name: 'sponsor' or Name: 'sponsorship'), which will be shown on the plugin details page to allow users to support your work if they wish.
error: osv-scanner detected a high severity issue in package go.opentelemetry.io/otel/sdk
detail: SEVERITY: HIGH in package go.opentelemetry.io/otel/sdk, vulnerable to CVE-2026-39883
error: osv-scanner detected a critical severity issue in package google.golang.org/grpc
detail: SEVERITY: CRITICAL in package google.golang.org/grpc, vulnerable to CVE-2026-33186 GO-2026-4762
error: osv-scanner detected critical severity issues
detail: osv-scanner detected 1 unique critical severity issues for lockfile: go.mod
error: osv-scanner detected high severity issues
detail: osv-scanner detected 1 unique high severity issues for lockfile: go.mod
error: osv-scanner detected a high severity issue in package flatted
detail: SEVERITY: HIGH in package flatted, vulnerable to CVE-2026-32141
error: osv-scanner detected a high severity issue in package flatted
detail: SEVERITY: HIGH in package flatted, vulnerable to CVE-2026-33228
error: osv-scanner detected a high severity issue in package picomatch
detail: SEVERITY: HIGH in package picomatch, vulnerable to CVE-2026-33671
error: osv-scanner detected a high severity issue in package tar
detail: SEVERITY: HIGH in package tar, vulnerable to CVE-2026-31802
error: osv-scanner detected a high severity issue in package tar
detail: SEVERITY: HIGH in package tar, vulnerable to CVE-2026-29786
error: osv-scanner detected high severity issues
detail: osv-scanner detected 5 unique high severity issues for lockfile: package-lock.json
detail: Fix the errors reported by osv-scanner before LLM review can run.
warning: Your Grafana Go SDK is older than 2 months
detail: Please upgrade your Grafana Go SDK to the latest version by running: "go get -u github.com/grafana/grafana-plugin-sdk-go"
error: Plugin version 1.4.2 is invalid.
detail: The submitted plugin version 1.4.2 is not greater than the latest published version 1.4.2 on grafana.com.
detail: Fix the errors reported by osv-scanner before code diff can run.