Merge pull request #8496 from thockin/promote-git-sync

Bump git-sync to v4.5.0

Author: k8s-ci-robot

registry.k8s.io/images/k8s-staging-git-sync/images.yaml

@@ -1,5 +1,6 @@
 - name: git-sync
   dmap:
+    "sha256:0e64aedb0d0ae0a3bab880349a5109b2a31891d646dd61e433ca36ed220dff1f": ["v4.5.0"]
     "sha256:ee0dda4203f56848f09b41650447353edf69ab0e4319254cd854adab3074dd2e": ["v4.4.3"]
     "sha256:3089d9787b89bdc5af01d9f6e8d515aefb9672e8aea3972d7ff67478112bacb3": ["v4.4.2"]
     "sha256:699b654e373f000c356756c24290a6dbb86500934b65ce6093fd92c434c61c6b": ["v4.4.1"]