Add V3 Suffix to All Prysm Packages (#11083)

* v3 import renamings

* tidy

* fmt

* rev

* Update beacon-chain/core/epoch/precompute/reward_penalty_test.go

* Update beacon-chain/core/helpers/validators_test.go

* Update beacon-chain/db/alias.go

* Update beacon-chain/db/alias.go

* Update beacon-chain/db/alias.go

* Update beacon-chain/db/iface/BUILD.bazel

* Update beacon-chain/db/kv/kv.go

* Update beacon-chain/db/kv/state.go

* Update beacon-chain/rpc/prysm/v1alpha1/validator/attester_test.go

* Update beacon-chain/rpc/prysm/v1alpha1/validator/attester_test.go

* Update beacon-chain/sync/initial-sync/service.go

* fix deps

* fix bad replacements

* fix bad replacements

* change back

* gohashtree version

* fix deps

Co-authored-by: Nishant Das <nishdas93@gmail.com>
Co-authored-by: Potuz <potuz@prysmaticlabs.com>

build/bazel/BUILD.bazel

@@ -8,7 +8,7 @@ go_library(
         "data_path.go",
         "non_bazel.go",
     ],
-    importpath = "github.com/prysmaticlabs/prysm/build/bazel",
+    importpath = "github.com/prysmaticlabs/prysm/v3/build/bazel",
     visibility = ["//visibility:public"],
     deps = [
         "//testing/require:go_default_library",

build/bazel/bazel_test.go

@@ -3,7 +3,7 @@ package bazel_test
 import (
 	"testing"
 
-	"github.com/prysmaticlabs/prysm/build/bazel"
+	"github.com/prysmaticlabs/prysm/v3/build/bazel"
 )
 
 func TestBuildWithBazel(t *testing.T) {

build/bazel/data_path.go

@@ -15,7 +15,7 @@ import (
 	"path/filepath"
 	"testing"
 
-	"github.com/prysmaticlabs/prysm/testing/require"
+	"github.com/prysmaticlabs/prysm/v3/testing/require"
 )
 
 // TestDataPath returns a path to an asset in the testdata directory. It knows