fix(deps): update dependency scratch-blocks to v2.1.7

Author: renovate[bot]

package-lock.json

@@ -181,7 +181,7 @@
     "react-visibility-sensor": "5.1.1",
     "redux-throttle": "0.1.1",
     "scratch-audio": "2.0.268",
-    "scratch-blocks": "2.1.5",
+    "scratch-blocks": "2.1.7",
     "scratch-l10n": "6.1.60",
     "scratch-paint": "4.1.50",
     "scratch-render-fonts": "1.0.252",

packages/scratch-gui/package.json

@@ -99,7 +99,7 @@
     "in-publish": "2.0.1",
     "js-md5": "0.7.3",
     "pngjs": "3.4.0",
-    "scratch-blocks": "2.1.5",
+    "scratch-blocks": "2.1.7",
     "scratch-l10n": "6.1.60",
     "scratch-render-fonts": "1.0.252",
     "scratch-semantic-release-config": "4.0.1",