Adjust image tag discovery to longer git hashes produced by kcp-dev/kcp

On-behalf-of: SAP <[email protected]>
Signed-off-by: Marvin Beckers <[email protected]>

Author: embik

hack/ci/run-e2e-tests.sh

@@ -32,8 +32,8 @@ if [ -n "${KCP_TAG:-}" ]; then
     cd "$here"
     rm -rf "$tmpdir"
 
-    # kcp's containers are tagged with the first 8 characters of the Git hash
-    KCP_TAG="${KCP_TAG:0:8}"
+    # kcp's containers are tagged with the first 9 characters of the Git hash
+    KCP_TAG="${KCP_TAG:0:9}"
   fi
 
   echo "kcp image tag.......: $KCP_TAG"