ci(e2e): fix syntax error in the Parcel workflow (#6548)

## What's the problem this PR addresses?

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related: #6545 
...

## How did you fix it?

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I've fixed the syntax error for now.

...

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Author: k1tikurisu

.github/workflows/e2e-parcel-workflow.yml

@@ -32,9 +32,9 @@ jobs:
         # See https://github.com/parcel-bundler/parcel/issues/9114
 
         echo "packageExtensions:
-  \"@parcel/fs@*\":
-    dependencies:
-      \"@parcel/core\": '*'" > .yarnrc.yml
+          \"@parcel/fs@*\":
+            dependencies:
+              \"@parcel/core\": '*'" > .yarnrc.yml
 
         # JavaScript