Bump grpc from 1.52.0 to 1.56.2

Bumps [grpc](https://github.com/google/grpc) from 1.52.0 to 1.56.2.
- [Release notes](https://github.com/google/grpc/releases)
- [Changelog](https://github.com/grpc/grpc/blob/master/doc/grpc_release_schedule.md)
- [Commits](https://github.com/google/grpc/compare/v1.52.0...v1.56.2)

---
updated-dependencies:
- dependency-name: grpc
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -9,11 +9,11 @@ GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.5.0)
-    google-protobuf (3.22.1)
-    googleapis-common-protos-types (1.5.0)
+    google-protobuf (3.23.4)
+    googleapis-common-protos-types (1.7.0)
       google-protobuf (~> 3.14)
-    grpc (1.52.0)
-      google-protobuf (~> 3.21)
+    grpc (1.56.2)
+      google-protobuf (~> 3.23)
       googleapis-common-protos-types (~> 1.0)
     rake (13.0.6)
     rspec (3.11.0)

examples.rb

@@ -84,17 +84,3 @@ response = lnd.lightning.connect_peer(addr: address)
 # note: Lnrpc needs to connect with an admin macaroon, and the node needs to be an existing peer.
 pubkey = Lnrpc.to_byte_array("031f2669adab71548fad4432277a0d90233e3bc07ac29cfb0b3e01bd3fb26cb9fa")
 response = lnd.lightning.open_channel({node_pubkey: pubkey, local_funding_amount: 21000})
-
-# extract details from a lightning invoice
-lightning_invoice = "lnbc990..." # created by payee
-invoice_details = lnd.lightning.decode_pay_req({pay_req: lightning_invoice})
-puts invoice_details.inspect
-puts "Destination: " + invoice_details.destination.to_s
-puts "Amount Sats: " + invoice_details.num_satoshis.to_s
-puts "Description: " + invoice_details.description.to_s
-puts "Created At: " + Time.at(invoice_details.timestamp).to_s
-puts "Expiry Hours: " + (invoice_details.expiry/3600).to_s
-puts "Payment Hash: " + invoice_details.payment_hash.to_s
-# Payment hash should match a hashed version of the preimage
-preimage = "f2a3a..." # known by payee, and revealed to the payer only if payment is successful
-puts "Payment verified!" if invoice_details.payment_hash == Digest::SHA256.hexdigest([preimage].pack("H*"))