feat(blob): update Blob polyfill dependency

package.json

@@ -36,7 +36,6 @@
 		"polyfills-as-a-service"
 	],
 	"devDependencies": {
-		"@types/astring": "1.3.0",
 		"@types/mime": "2.0.3",
 		"@types/node": "14.14.37",
 		"@types/semver": "7.3.4",
@@ -76,7 +75,7 @@
 		"@formatjs/intl-relativetimeformat": "9.1.0",
 		"@polyfiller/form-data": "0.0.40",
 		"@polyfiller/object-fit": "0.0.39",
-		"@swc/core": "1.2.50",
+		"@swc/core": "1.2.57",
 		"@webcomponents/custom-elements": "1.4.3",
 		"@webcomponents/shadycss": "1.10.2",
 		"@webcomponents/shadydom": "1.8.0",
@@ -87,9 +86,8 @@
 		"@wessberg/filesaver": "1.0.11",
 		"@wessberg/pointer-events": "1.0.9",
 		"@wessberg/stringutil": "1.0.19",
-		"astring": "1.4.3",
 		"Base64": "1.1.0",
-		"blob-polyfill": "4.0.20200601",
+		"blob-polyfill": "5.0.20210201",
 		"browserslist": "4.16.6",
 		"chalk": "4.1.0",
 		"console-polyfill": "0.3.0",