fix: GPG verification command of released artifact

Author: jpraynaud

.github/workflows/scripts/verify-distribution.sh

@@ -64,7 +64,7 @@ gpg:               imported: 1
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 * **Step 7**: Then verify the GPG signature of the checksum file:
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-gpg --verify ./public-key.gpg ./CHECKSUM.asc
+gpg --verify ./CHECKSUM.asc
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 You must see something like:
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