Bump version from 2020.4.28 to 2020.5.6

Author: rvl

lib/byron/cardano-wallet-byron.cabal

@@ -1,5 +1,5 @@
 name:                cardano-wallet-byron
-version:             2020.4.28
+version:             2020.5.6
 synopsis:            Wallet backend protocol-specific bits implemented using byron nodes
 description:         Please see README.md
 homepage:            https://github.com/input-output-hk/cardano-wallet

lib/cli/cardano-wallet-cli.cabal

@@ -1,5 +1,5 @@
 name:                cardano-wallet-cli
-version:             2020.4.28
+version:             2020.5.6
 synopsis:            Utilities for a building Command-Line Interfaces
 homepage:            https://github.com/input-output-hk/cardano-wallet
 author:              IOHK Engineering Team

lib/core-integration/cardano-wallet-core-integration.cabal

@@ -1,5 +1,5 @@
 name:                cardano-wallet-core-integration
-version:             2020.4.28
+version:             2020.5.6
 synopsis:            Core integration test library.
 description:         Shared core functionality for our integration test suites.
 homepage:            https://github.com/input-output-hk/cardano-wallet

lib/core/cardano-wallet-core.cabal

@@ -1,5 +1,5 @@
 name:                cardano-wallet-core
-version:             2020.4.28
+version:             2020.5.6
 synopsis:            The Wallet Backend for a Cardano node.
 description:         Please see README.md
 homepage:            https://github.com/input-output-hk/cardano-wallet

lib/jormungandr/cardano-wallet-jormungandr.cabal

@@ -1,5 +1,5 @@
 name:                cardano-wallet-jormungandr
-version:             2020.4.28
+version:             2020.5.6
 synopsis:            Wallet backend protocol-specific bits implemented using Jörmungandr
 description:         Please see README.md
 homepage:            https://github.com/input-output-hk/cardano-wallet

lib/launcher/cardano-wallet-launcher.cabal

@@ -1,5 +1,5 @@
 name:                cardano-wallet-launcher
-version:             2020.4.28
+version:             2020.5.6
 synopsis:            Utilities for a building commands launcher
 homepage:            https://github.com/input-output-hk/cardano-wallet
 author:              IOHK Engineering Team

lib/test-utils/cardano-wallet-test-utils.cabal

@@ -1,5 +1,5 @@
 name:                cardano-wallet-test-utils
-version:             2020.4.28
+version:             2020.5.6
 synopsis:            Shared utilities for writing unit and property tests.
 description:         Shared utilities for writing unit and property tests.
 homepage:            https://github.com/input-output-hk/cardano-wallet

lib/text-class/text-class.cabal

@@ -1,5 +1,5 @@
 name:                text-class
-version:             2020.4.28
+version:             2020.5.6
 synopsis:            Extra helpers to convert data-types to and from Text
 homepage:            https://github.com/input-output-hk/cardano-wallet
 author:              IOHK Engineering Team