Bump bl from 1.2.2 to 1.2.3 in /guides/frontend-blog-tutorial-1

Bumps [bl](https://github.com/rvagg/bl) from 1.2.2 to 1.2.3. - [Release notes](https://github.com/rvagg/bl/releases) - [Commits](rvagg/bl@v1.2.2...v1.2.3) Signed-off-by: dependabot[bot] <[email protected]>
INFURA · Jan 29, 2021 · 6ab1bb0 · 6ab1bb0
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commit 6ab1bb0
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/guides/frontend-blog-tutorial-1/package-lock.json b/guides/frontend-blog-tutorial-1/package-lock.json