Upgrade to stable v1.6.0 reference tests release (#10091)

Author: StefanBratanov

build.gradle

@@ -331,7 +331,7 @@ allprojects {
 }
 
 def nightly = System.getenv("NIGHTLY") != null
-def refTestVersion = nightly ? "nightly" : "v1.6.0-beta.2"
+def refTestVersion = nightly ? "nightly" : "v1.6.0"
 def blsRefTestVersion = 'v0.1.2'
 def slashingProtectionInterchangeRefTestVersion = 'v5.3.0'
 def refTestBaseUrl = 'https://github.com/ethereum/consensus-specs/releases/download'

specrefs/.ethspecify.yml

@@ -1,4 +1,4 @@
-version: v1.6.0-beta.2
+version: v1.6.0
 style: full
 
 specrefs:

specrefs/configs.yml

@@ -121,8 +121,16 @@
     - file: ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/configs/mainnet.yaml
       search: "BLOB_SCHEDULE:"
   spec: |
-    <spec config_var="BLOB_SCHEDULE" fork="fulu" hash="f3f1064a">
+    <spec config_var="BLOB_SCHEDULE" fork="fulu" hash="07879110">
     BLOB_SCHEDULE: tuple[frozendict[str, Any], ...] = (
+        frozendict({
+            "EPOCH": 412672,
+            "MAX_BLOBS_PER_BLOCK": 15,
+        }),
+        frozendict({
+            "EPOCH": 419072,
+            "MAX_BLOBS_PER_BLOCK": 21,
+        }),
     )
     </spec>
 
@@ -276,8 +284,8 @@
     - file: ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/configs/mainnet.yaml
       search: "FULU_FORK_EPOCH:"
   spec: |
-    <spec config_var="FULU_FORK_EPOCH" fork="fulu" hash="673334be">
-    FULU_FORK_EPOCH: Epoch = 18446744073709551615
+    <spec config_var="FULU_FORK_EPOCH" fork="fulu" hash="af10fa3c">
+    FULU_FORK_EPOCH: Epoch = 411392
     </spec>
 
 - name: FULU_FORK_VERSION