fix: bump version for 1.0 since release was done based on -30

Author: awoie

1.0/openid-4-verifiable-presentations-1_0.md

@@ -7,7 +7,7 @@ keyword = ["security", "openid", "ssi"]
 
 [seriesInfo]
 name = "Internet-Draft"
-value = "openid-4-verifiable-presentations-1_0-30"
+value = "openid-4-verifiable-presentations-1_0-31"
 status = "standard"
 
 [[author]]
@@ -3564,7 +3564,7 @@ The technology described in this specification was made available from contribut
 
    [[ To be removed from the final specification ]]
 
--30
+-31
 
    * TBD