ref: fix bump rebase by setting a git identity (#45332)

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.github/workflows/bump-sentry-in-getsentry.yml

@@ -46,7 +46,10 @@ jobs:
               git push origin master && exit 0
               # There's a little bit of network delay here that suffices
               # as a small sleep.
-              git pull --rebase origin master
+              git \
+                -c user.name=getsentry-bot \
+                -c user.email=bot@sentry.io \
+                pull --rebase origin master
           done
 
           # 5th and final attempt.