Updated to use v1.3.1

Signed-off-by: Simon Dudley <[email protected]>

ethereum/referencetests/build.gradle

@@ -207,7 +207,7 @@ dependencies {
   referenceTestImplementation project(path: ':testutil')
   referenceTestImplementation project(path: ':util')
   // the following will be resolved via custom ivy repository declared in root build.gradle
-  referenceTestImplementation 'ethereum:execution-spec-tests:[email protected].0:[email protected]'
+  referenceTestImplementation 'ethereum:execution-spec-tests:[email protected].1:[email protected]'
   referenceTestImplementation 'com.fasterxml.jackson.core:jackson-databind'
   referenceTestImplementation 'com.google.guava:guava'
   referenceTestImplementation 'io.tmio:tuweni-bytes'

gradle/verification-metadata.xml

@@ -1589,9 +1589,9 @@
             <sha256 value="110c3f7808bebf33541efedb5e57fc22dd1f33f83220343b1d720032739e785b" origin="Generated by Gradle"/>
          </artifact>
       </component>
-      <component group="ethereum" name="execution-spec-tests" version="[email protected].0">
-         <artifact name="[email protected].0-fixtures_pectra-devnet-5.tar.gz">
-            <sha256 value="a28c2d84dfae8017c676e45dbd359544d5833b350216d6cb6d6d15dd4c3edf4e" origin="Generated by Gradle"/>
+      <component group="ethereum" name="execution-spec-tests" version="[email protected].1">
+         <artifact name="[email protected].1-fixtures_pectra-devnet-5.tar.gz">
+            <sha256 value="56ca7ca67ff097c8f3604c4c2e54f6008c9a97cf4721b5c171a5596be7ada1fd" origin="Generated by Gradle"/>
          </artifact>
       </component>
       <component group="info.picocli" name="picocli" version="3.0.0">