.github: update S3 gateway used for tests to 0.30.0

Testcases were updated to 0.30.0 behavior in nspcc-dev/neofs-testcases#772
so 0.29.0 will produce false errors. And we should be using the latest stable
anyway.

Signed-off-by: Roman Khimov <[email protected]>

Author: roman-khimov

.github/workflows/run-tests.yml

@@ -104,15 +104,15 @@ jobs:
         uses: dsaltares/[email protected]
         with:
           repo: 'nspcc-dev/neofs-s3-gw'
-          version: 'tags/v0.29.0'
+          version: 'tags/v0.30.0'
           file: 'neofs-s3-gw-linux-amd64'
           target: 'neofs-testcases/neofs-s3-gw'
 
       - name: Download latest stable neofs-s3-gw-authmate
         uses: dsaltares/[email protected]
         with:
           repo: 'nspcc-dev/neofs-s3-gw'
-          version: 'tags/v0.29.0'
+          version: 'tags/v0.30.0'
           file: 'neofs-s3-authmate-linux-amd64'
           target: 'neofs-testcases/neofs-s3-authmate'