Update CI workflows to 3e7f2e3 (#9)

This PR updates the CI workflow files from the main Zed repository
based on the commit
zed-industries/zed@3e7f2e3

This adds initial support for extensions not located at the root of the
repository.

Co-authored-by: zed-zippy[bot] <234243425+zed-zippy[bot]@users.noreply.github.com>

Author: zed-zippy[bot]

.github/workflows/run_tests.yml

@@ -12,7 +12,7 @@ jobs:
   call_extension_tests:
     permissions:
       contents: read
-    uses: zed-industries/zed/.github/workflows/extension_tests.yml@7d566e0600b04ac7da4f6c60edebd80df1c19fde
+    uses: zed-industries/zed/.github/workflows/extension_tests.yml@3e7f2e3f9a576c4704c2f71497f6ba3516d9339b
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.ref_name == 'main' && github.sha || 'anysha' }}pr
   cancel-in-progress: true