build(deps): bump bl from 2.2.0 to 2.2.1

Bumps [bl](https://github.com/rvagg/bl) from 2.2.0 to 2.2.1.
- [Release notes](https://github.com/rvagg/bl/releases)
- [Commits](rvagg/bl@v2.2.0...v2.2.1)

Signed-off-by: dependabot[bot] <support@github.com>

yarn.lock

@@ -2067,9 +2067,9 @@ before-after-hook@^2.0.0:
   integrity sha512-IWIbu7pMqyw3EAJHzzHbWa85b6oud/yfKYg5rqB5hNE8CeMi3nX+2C2sj0HswfblST86hpVEOAb9x34NZd6P7A==
 
 bl@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/bl/-/bl-2.2.0.tgz#e1a574cdf528e4053019bb800b041c0ac88da493"
-  integrity sha512-wbgvOpqopSr7uq6fJrLH8EsvYMJf9gzfo2jCsL2eTy75qXPukA4pCgHamOQkZtY5vmfVtjB+P3LNlMHW5CEZXA==
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-2.2.1.tgz#8c11a7b730655c5d56898cdc871224f40fd901d5"
+  integrity sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==
   dependencies:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"