Update Gitaly version to 14.7.7

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Update Gitaly version to 14.7.7
d094181a · GitLab Release Tools Bot · caac00a7 · d094181a
Commit d094181a authored 2 years ago by GitLab Release Tools Bot
--- a/GITALY_SERVER_VERSION
+++ b/GITALY_SERVER_VERSION
-14.7.6
\ No newline at end of file
+14.7.7
\ No newline at end of file