fix: in-toto analysis section title (#348)

Signed-off-by: Patrice Chalin

Author: chalin

analyses/2023/in-toto/index.md

@@ -1,10 +1,7 @@
 ---
-title: README
-tags: [in-toto]
+title: in-toto Analysis
 ---
 
-# README
-
 These documents are intended to recommend a direction for the ongoing
 development of technical documentation for the in-toto open source software
 (OSS) project. This effort is funded by the CNCF Foundation as part of its