[release] Bump waiting for gnumbd to avoid broken tags.

tools/release/common_includes.py

Index: tools/release/common_includes.py
diff --git a/tools/release/common_includes.py b/tools/release/common_includes.py
index c2b64c38ec85946d01a6e9f5e6bb7f9ca0d48573..61d60f1640ca40c8e4fc69c07fb658be146e709b 100644
--- a/tools/release/common_includes.py
+++ b/tools/release/common_includes.py
@@ -381,7 +381,7 @@ class GitInterface(VCInterface):
     # is the case for all automated merge and push commits - also no title is
     # the prefix of another title).
     commit = None
-    for wait_interval in [3, 7, 15, 35, 45, 60]:
+    for wait_interval in [5, 10, 20, 40, 60, 60]:
       self.step.Git("fetch")
       commit = self.step.GitLog(n=1, format="%H", grep=message, branch=remote)
       if commit: