build(deps): Bump attestant/vouch from 1.8.2 to 1.9.0 in /testutil/co…

…mpose/static/vouch (#3294)

Bumps attestant/vouch from 1.8.2 to 1.9.0.


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testutil/compose/static/vouch/Dockerfile

@@ -1,6 +1,6 @@
 FROM wealdtech/ethdo:1.35.2 as ethdo
 
-FROM attestant/vouch:1.8.2
+FROM attestant/vouch:1.9.0
 
 COPY --from=ethdo /app/ethdo /app/ethdo