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](https://github.com/rvagg/bl/compare/v2.2.0...v2.2.1)

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

services/filestore/package-lock.json

@@ -1132,29 +1132,6 @@
         "node-uuid": "^1.4.8",
         "range-parser": "^1.2.1",
         "tiny-async-pool": "^1.1.0"
-      },
-      "dependencies": {
-        "aws-sdk": {
-          "version": "2.718.0",
-          "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.718.0.tgz",
-          "integrity": "sha512-YMWR1RJ3VuSbUOGeOfDw2QqRzwX51oa9TCm2G6SW+JywJUy0FTxi/Nj0VjVEQvKC0GqGu5QCgUTaarF7S0nQdw==",
-          "requires": {
-            "buffer": "4.9.2",
-            "events": "1.1.1",
-            "ieee754": "1.1.13",
-            "jmespath": "0.15.0",
-            "querystring": "0.2.0",
-            "sax": "1.2.1",
-            "url": "0.10.3",
-            "uuid": "3.3.2",
-            "xml2js": "0.4.19"
-          }
-        },
-        "uuid": {
-          "version": "3.3.2",
-          "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
-          "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
-        }
       }
     },
     "@protobufjs/aspromise": {
@@ -1606,7 +1583,6 @@
       "version": "2.718.0",
       "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.718.0.tgz",
       "integrity": "sha512-YMWR1RJ3VuSbUOGeOfDw2QqRzwX51oa9TCm2G6SW+JywJUy0FTxi/Nj0VjVEQvKC0GqGu5QCgUTaarF7S0nQdw==",
-      "dev": true,
       "requires": {
         "buffer": "4.9.2",
         "events": "1.1.1",
@@ -1622,8 +1598,7 @@
         "uuid": {
           "version": "3.3.2",
           "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
-          "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
-          "dev": true
+          "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
         }
       }
     },
@@ -1703,9 +1678,9 @@
       "integrity": "sha512-tbaUB1QpTIj4cKY8c1rvNAvEQXA+ekzHmbe4jzNfW3QWsF9GnnP/BRWyl6/qqS53heoYJ93naaFcm/jooONH8g=="
     },
     "bl": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.0.tgz",
-      "integrity": "sha512-wbgvOpqopSr7uq6fJrLH8EsvYMJf9gzfo2jCsL2eTy75qXPukA4pCgHamOQkZtY5vmfVtjB+P3LNlMHW5CEZXA==",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
+      "integrity": "sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==",
       "dev": true,
       "requires": {
         "readable-stream": "^2.3.5",