Update Gitaly version to 14.7.6

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Update Gitaly version to 14.7.6
896898b0 · GitLab Release Tools Bot · f60c9733 · 896898b0
Commit 896898b0 authored 2 years ago by GitLab Release Tools Bot
--- a/GITALY_SERVER_VERSION
+++ b/GITALY_SERVER_VERSION
-14.7.5
\ No newline at end of file
+14.7.6
\ No newline at end of file