Auto merge of #20413 - christianpoveda:issue_20344, r=jdm

TextDecoder's Decode now receives a BufferSource as input

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r? jdm

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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #20344 (github issue number if applicable).

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- [X] There are tests for these changes OR
- [ ] These changes do not require tests because _____

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tests/wpt/metadata/encoding/api-basics.html.ini

@@ -1,15 +0,0 @@
-[api-basics.html]
-  type: testharness
-  bug: https://github.com/servo/servo/issues/13236
-  [Encode/decode round trip: utf-8]
-    expected: FAIL
-
-  [Decode sample: utf-16le]
-    expected: FAIL
-
-  [Decode sample: utf-16be]
-    expected: FAIL
-
-  [Decode sample: utf-16]
-    expected: FAIL
-