Bump tp v1.1.8

v1.1.7 CLI is working, however the GitHub actions workflow is broken
This release fixes it

.github/workflows/reusable-bump-flake-lock-and-selfup.yml

@@ -17,7 +17,7 @@ on:
         required: false
         type: string
       version:
-        default: 'v1.1.7'
+        default: 'v1.1.8'
         required: false
         type: string
       pr-body:

README.md

@@ -10,23 +10,23 @@ Replace strings if the line contains the definition of how to update itself.
 In [Nix](https://nixos.org/) [Flake](https://nixos.wiki/wiki/Flakes), you can skip installation steps
 
 ```console
-> nix run github:kachick/selfup/v1.1.7 -- --version
+> nix run github:kachick/selfup/v1.1.8 -- --version
 selfup dev (rev)
 ```
 
 Prebuilt binaries are available for download from [releases](https://github.com/kachick/selfup/releases)
 
 ```console
 > install_path="$(mktemp -d)"
-> curl -L https://github.com/kachick/selfup/releases/download/v1.1.7/selfup_Linux_x86_64.tar.gz | tar xvz -C "$install_path" selfup
+> curl -L https://github.com/kachick/selfup/releases/download/v1.1.8/selfup_Linux_x86_64.tar.gz | tar xvz -C "$install_path" selfup
 > "${install_path}/selfup" --version
 selfup VERSION (REV)
 ```
 
 You can also use [gh](https://github.com/cli/cli) command.
 
 ```bash
-gh release download 'v1.1.7' --pattern 'selfup_Linux_x86_64.tar.gz' --repo kachick/selfup
+gh release download 'v1.1.8' --pattern 'selfup_Linux_x86_64.tar.gz' --repo kachick/selfup
 tar -xvzf 'selfup_Linux_x86_64.tar.gz'
 ```
 

flake.nix

@@ -44,7 +44,7 @@
         system:
         let
           pkgs = nixpkgs.legacyPackages.${system};
-          version = "v1.1.7";
+          version = "v1.1.8";
         in
         rec {
           selfup = pkgs.buildGo123Module {