Upgrade watcher-ts packages to configure failover RPC endpoints (#44)

* Upgrade watcher-ts dependencies

* Update config and add an indexer method to switch clients

* Update indexer and database methods

* Update package version

* Update event parsing in watcher indexer

packages/linear-star-release-watcher/environments/local.toml

@@ -50,7 +50,9 @@
 [upstream]
   [upstream.ethServer]
     gqlApiEndpoint = "http://127.0.0.1:8082/graphql"
-    rpcProviderEndpoint = "http://127.0.0.1:8081"
+    rpcProviderEndpoints = [
+      "http://127.0.0.1:8081"
+    ]
 
     # Boolean flag to specify if rpc-eth-client should be used for RPC endpoint instead of ipld-eth-client (ipld-eth-server GQL client)
     rpcClient = true
@@ -87,3 +89,6 @@
   # Max block range of historical processing after which it waits for completion of events processing
   # If set to -1 historical processing does not wait for events processing and completes till latest canonical block
   historicalMaxFetchAhead = 10000
+
+  # Max number of retries to fetch new block after which watcher will failover to other RPC endpoints
+  maxNewBlockRetries = 3