dev: bump Alire version to 2.1.1 and setup-alire to @latest (#1942)

* dev: bump Alire to 2.1.1 and setup-alire to @latest

* Touch libhello

.github/workflows/build-native.yml

@@ -6,7 +6,7 @@ name: Build Crate (Alire toolchain)
 env:
   CHECKS_ORG: alire-project
   CHECKS_REPO: alire-index-checks
-  ALR_VERSION: 2.1.0
+  ALR_VERSION: 2.1.1
   PACMAN: C:\Users\runneradmin\AppData\Local\alire\cache\msys64\usr\bin\pacman
 
 on:
@@ -53,14 +53,14 @@ jobs:
     # By default, this also sets up the newest indexed native toolchain
     - name: Set up stable `alr`
       if: contains(github.base_ref, 'stable-')
-      uses: alire-project/setup-alire@v5
+      uses: alire-project/setup-alire@latest
       with:
         version: ${{env.ALR_VERSION}}
 
     # By default, this also sets up the newest indexed native toolchain
     - name: Set up devel `alr`
       if: contains(github.base_ref, 'devel-')
-      uses: alire-project/setup-alire@v5
+      uses: alire-project/setup-alire@latest
       with:
         branch: 'master'