Update to rust version 1.94

Signed-off-by: Simon Davies <simongdavies@users.noreply.github.com>

Author: simongdavies

action.yml

@@ -5,9 +5,9 @@ description: "Common setup steps for GitHub workflows in the Hyperlight project"
 
 inputs:
   rust-toolchain:
-    description: "(Default: 1.86.0) Rust toolchain specification to install - see https://rust-lang.github.io/rustup/concepts/toolchains.html#toolchain-specification"
+    description: "(Default: 1.94.0) Rust toolchain specification to install - see https://rust-lang.github.io/rustup/concepts/toolchains.html#toolchain-specification"
     required: false
-    default: "1.86.0"
+    default: "1.94.0"
   just-version:
     description: '(Default: 1.41) Version of just to install.'
     required: false
@@ -98,8 +98,8 @@ runs:
     - name: Install older rust toolchain(s)
       if: ${{ (runner.os == 'Linux') }}
       run: |
-        rustup toolchain install 1.81.0
         rustup toolchain install 1.85.0
+        rustup toolchain install 1.86.0
       shell: bash
 
     - name: Set up env vars (Linux)
@@ -140,8 +140,8 @@ runs:
     - name: Install older rust toolchain(s) (Windows)
       if: ${{ (runner.os == 'Windows') }}
       run: |
-        rustup toolchain install 1.81.0
         rustup toolchain install 1.85.0
+        rustup toolchain install 1.86.0
       shell: pwsh
 
     - name: Set up env vars (Windows)