build(deps): bump scratch-vm from 49dccef to 20de055 (#526)

Bumps [scratch-vm](https://github.com/TurboWarp/scratch-vm) from `49dccef` to `20de055`.
- [Release notes](https://github.com/TurboWarp/scratch-vm/releases)
- [Commits](https://github.com/TurboWarp/scratch-vm/compare/49dccef71935e86a41b51f8daafaf01bdbcfe95e...20de0556d2038b920ad299f05efa2d6e28b6c4ed)

---
updated-dependencies:
- dependency-name: scratch-vm
  dependency-type: direct:production
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package-lock.json

@@ -3978,7 +3978,7 @@
     "amdefine": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
-      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU="
+      "integrity": "sha512-S2Hw0TtNkMJhIabBwIojKL9YHO5T0n5eNqWJ7Lrlel/zDbftQpxpapi8tZs3X1HWa+u+QeydGmzzNU0m09+Rcg=="
     },
     "ansi-colors": {
       "version": "3.2.4",
@@ -5368,7 +5368,7 @@
     "browser-stdout": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.0.tgz",
-      "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8="
+      "integrity": "sha512-7Rfk377tpSM9TWBEeHs0FlDZGoAIei2V/4MdZJoFMBFAK6BqLpxAIUepGRHGdPFgGsLb02PXovC4qddyHvQqTg=="
     },
     "browserify-aes": {
       "version": "1.2.0",
@@ -15762,8 +15762,8 @@
       "integrity": "sha512-r0lvpgQjPMjbhI2wROrgoXzBhCvWJdkbAqJMfl2CdNqrwBpUXqLvNNtI3VtNLPJAcp9VfxEylkU9lVZ0gvU46Q=="
     },
     "scratch-vm": {
-      "version": "git+https://github.com/TurboWarp/scratch-vm.git#49dccef71935e86a41b51f8daafaf01bdbcfe95e",
-      "from": "git+https://github.com/TurboWarp/scratch-vm.git#49dccef71935e86a41b51f8daafaf01bdbcfe95e",
+      "version": "git+https://github.com/TurboWarp/scratch-vm.git#20de0556d2038b920ad299f05efa2d6e28b6c4ed",
+      "from": "git+https://github.com/TurboWarp/scratch-vm.git#20de0556d2038b920ad299f05efa2d6e28b6c4ed",
       "requires": {
         "@vernier/godirect": "1.5.0",
         "arraybuffer-loader": "^1.0.6",