src/6.4.0 package update (#54628)

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Signed-off-by: wolfi-bot <121097084+wolfi-bot@users.noreply.github.com>
Co-authored-by: wolfi-bot <121097084+wolfi-bot@users.noreply.github.com>

Author: octo-sts[bot]

src.yaml

@@ -1,6 +1,6 @@
 package:
   name: src
-  version: "6.3.0"
+  version: "6.4.0"
   epoch: 0
   description: Sourcegraph CLI
   copyright: