Merge pull request #4409 from scratchfoundation/renovate/scratch-blocks-1.x

fix(deps): update dependency scratch-blocks to v1.1.73

Author: renovate[bot]

package-lock.json

@@ -98,7 +98,7 @@
     "jsdoc": "3.6.11",
     "json": "^9.0.4",
     "pngjs": "3.4.0",
-    "scratch-blocks": "1.1.72",
+    "scratch-blocks": "1.1.73",
     "scratch-l10n": "3.18.89",
     "scratch-render-fonts": "1.0.29",
     "scratch-semantic-release-config": "1.0.14",