feat: add support for nexus npm registry

Co-authored-by: Copilot <copilot@github.com>

pnpm-build/action.yml

@@ -19,6 +19,10 @@ inputs:
     description: JFrog npm auth token
     required: false
     default: ""
+  nexus-token:
+    description: Nexus npm auth token
+    required: false
+    default: ""
   run-scripts:
     description: Comma-separated list of pnpm run scripts
     required: false
@@ -49,13 +53,20 @@ runs:
         with:
           version: ${{ inputs.pnpm-version }}
 
-      - name: Configure pnpm registry authentication
+      - name: Configure JFrog registry authentication
         if: ${{ inputs.jfrog-token != '' }}
         shell: bash
         env:
           JFROG_TOKEN: ${{ inputs.jfrog-token }}
         run: pnpm set //schmalz.jfrog.io/artifactory/api/npm/default-npm/:_authToken "$JFROG_TOKEN"
 
+      - name: Configure Nexus registry authentication
+        if: ${{ inputs.nexus-token != '' }}
+        shell: bash
+        env:
+          NEXUS_TOKEN: ${{ inputs.nexus-token }}
+        run: pnpm set //nexus.schmalzgroup.com/repository/npm-all/:_authToken "$NEXUS_TOKEN"
+
       - name: Build
         shell: bash
         env: