Add event on liquid locking SC

What's Changed

• Liquid-locking: Add unbond event and upgrade func by @CostinCarabas in #47

Full Changelog: v0.45.2...v0.45.2.1

Built using Docker image: multiversx/sdk-rust-contract-builder:v5.3.0.

Codehashes (blake2b):

order-book-factory.wasm: c304d3ec26fe8e2db9325fb8b95b4f57dfd0610d0f2f92042cd42d52c82e360e
liquid-locking.wasm: 7f151566253212e85b6992eba7067d4d4370a8fe87f56253357898ef46e93946
token-release.wasm: 54cde5d93d79ba400bb70c818450a155c676444d80184e919d28ca5fc7065837
ping-pong-egld.wasm: 9283ca2f077edf2704053f0973fdd1eb90ee871ddcd672f962de4ba4422df84b
crypto-bubbles.wasm: 60a56c6028dd611b88e4cef2722fbb20194559d0aad3c7b601f4cbd95293bb95
lottery-esdt.wasm: e06b1a5c7fb71181a79e9be6b86d8ad154e5c2def4da6d2f0aa5266163823291
nft-minter.wasm: 9359709f836e124e05823b025aea447d9b8c737d4276081f9afa64aeb9806759
proxy-pause.wasm: 2533e0d6780591b5ba459452239f4c8893fb613d94cba442e8d704928fd0f866
digital-cash.wasm: 925eed5d96b7fb4241dbbd0280a2a59227883cf822201403a7939f9b740b2c7b
esdt-transfer-with-fee.wasm: 4b7e8983563de1c844c04cc7a58bc59f156e2a03fa18dd4c6564c85fce10afd7
check-pause.wasm: bbb2e69deaa166a97dce9454d8a63f95a5a869c939a5b452e46329f40eb29f63
nft-escrow.wasm: 17613efa434f19165b7e0029d1864b991877599afed9852ec6080088a293c29b
paymaster.wasm: fc135e0c5400da1567eb428d006a6056f9bc094ef2bb0fe02917c9c900c50cfb
crypto-zombies.wasm: 8ca759bd81cc6bed3c0c1acb3cde5e5ea2b7f5225dfbfa5915ba4d11acc87571
multisig-view.wasm: d3e8328d525fcf196bb5bb4ce0741d9146dccb475461a693c407cdfa02334789
multisig.wasm: b82f074c02e308b80cfb7144d7dc959bfac73e14dc3291837fdd8b042a7739cf
multisig-full.wasm: 44a0eafb3bedfd671d1df586313f716924e2e4ef00ae7bf26df2c11eb4291389
mystery-box.wasm: 5376e43e41d7a180badfe79cb181e4d95c4706f497ae7806f9b7a3ce804bea57
rewards-distribution.wasm: 7b7e1f2874492926296ca000a599f024fbc6b65bd1aadc88dcede210c82fa17b
mvx-game-sc.wasm: a5496ed976f46f41ca1160a5c901c19066ab6226dc119b058b435720dc4d8489
kitty-ownership.wasm: 40cc26c768170e220637c2f5def24a6ce05b06e90fc968b06f04b265510e6191
multiversx-price-aggregator-sc.wasm: 1c090e5e77479cf3259d271882f21bab9186360ca2702faa110e97836c1fbc20
fractional-nfts.wasm: f6f65693adaf1b9db3b1a9fbe16afc41fdde1aa8ae0ea2067243e6c24c1d8f84
factorial.wasm: f4d34273edff6dfeeb78e69791c9c7951f4a08493bda4047113ab74981f5fa9d
order-book-pair.wasm: 343cf73cc1bcccefb6c0c6a32a450f2d8b700a7a056fcce95881497d2bd7e887
seed-nft-minter.wasm: b0cf739c9c7a5366b678b223535f3019bd41b3449da9c60009484585a1cd177c
crowdfunding-esdt.wasm: 1019a2d46b3d4b0506f08a0a2b835096a0b97dc1a1db4aa992cd915dd12d144a
kitty-auction.wasm: 55f31614082ef453274ef527dcdee3f2ff6e4119e445c5381c141d51b57e8e56
adder.wasm: 384b680df7a95ebceca02ffb3e760a2fc288dea1b802685ef15df22ae88ba15b
empty.wasm: d679e4e40ef7476cd309d6b8744dfd21912db83c5bfc034bc374bd74267e08a0
multiversx-wegld-swap-sc.wasm: aa3d551c6be4438863a248c76d2c1016e76e22333da2521410d16effa0a7cdac
kitty-genetic-alg.wasm: f352a95c6d847b2f30625e3b44b4f17143046cb273bde70aa5557fbfcbf4b58a
nft-storage-prepay.wasm: 81d82875f6ca4b76e4018db826a578c0e391b1c208d1ca7640f15b89021c549e
bonding-curve-contract.wasm: e7d905509b29f3522f330a30a151b33ff69fbda27b9fb3409d4a7ddb07b1a2cb