chore: update librariangen image SHA (#14315)

Update legacylibrarian Go image SHA, this image contains latest template
of version.go.

Regenerate all libraries with:
```
# Sync library versions
go run github.com/googleapis/librarian/tool/cmd/syncversion@${V} .
# Regenerate
go run github.com/googleapis/librarian/cmd/librarian@${V} generate --all
```

Author: JoeWang1127

.librarian/state.yaml

@@ -1,4 +1,4 @@
-image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/librarian-go@sha256:f8558b849eab319c3b9fc0b0ee8cab738b7e0b88e746275c759b38b194247a42
+image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/librarian-go@sha256:fc7fb9c27d224fab3aea2f95282b5d396c06554ac71a692a9b1a31cc97a8c91f
 libraries:
   - id: accessapproval
     version: 1.8.8

bigtable/internal/version.go

@@ -8,7 +8,7 @@
     ],
     "language": "GO",
     "name": "cloud.google.com/go/biglake/apiv1",
-    "version": ""
+    "version": "0.0.0"
   },
   "snippets": [
     {

internal/generated/snippets/biglake/apiv1/snippet_metadata.google.cloud.biglake.v1.json

@@ -8,7 +8,7 @@
     ],
     "language": "GO",
     "name": "cloud.google.com/go/biglake/hive/apiv1beta",
-    "version": ""
+    "version": "0.0.0"
   },
   "snippets": [
     {

internal/generated/snippets/biglake/hive/apiv1beta/snippet_metadata.google.cloud.biglake.hive.v1beta.json

@@ -202,6 +202,7 @@ libraries:
       - path: google/cloud/beyondcorp/clientconnectorservices/v1
       - path: google/cloud/beyondcorp/clientgateways/v1
   - name: biglake
+    version: 0.0.0
     apis:
       - path: google/cloud/biglake/v1
       - path: google/cloud/biglake/hive/v1beta
@@ -247,7 +248,7 @@ libraries:
           import_path: bigquery/v2/apiv2
           path: google/cloud/bigquery/v2
   - name: bigtable
-    version: 1.44.0
+    version: 1.45.0
     apis:
       - path: google/bigtable/v2
       - path: google/bigtable/admin/v2