use bash not sh (#4)

Author: bhelx

.github/workflows/release.yml

@@ -15,8 +15,7 @@ jobs:
 
       - name: Setup Extism
         run: |
-          curl -O https://raw.githubusercontent.com/extism/js-pdk/main/install.sh
-          sh install.sh
+          curl https://raw.githubusercontent.com/extism/js-pdk/main/install.sh | bash
 
       - name: Set up Node.js
         uses: actions/setup-node@v2

.github/workflows/test.yml

@@ -21,8 +21,7 @@ jobs:
 
       - name: Setup Extism and XTP
         run: |
-          curl -O https://raw.githubusercontent.com/extism/js-pdk/main/install.sh
-          bash install.sh
+          curl https://raw.githubusercontent.com/extism/js-pdk/main/install.sh | bash
           curl https://static.dylibso.com/cli/install.sh | bash
 
       - name: Setup extism-py