Keep registry-url but remove _authToken for OIDC

The registry-url is needed for npm to know about the registry,
but the _authToken line prevents OIDC from working. Remove it
with sed so npm falls back to OIDC authentication.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: xrendan

.github/workflows/npm-publish.yml

@@ -43,6 +43,13 @@ jobs:
               uses: actions/setup-node@v4
               with:
                   node-version: "22"
+                  registry-url: "https://registry.npmjs.org"
+
+            - name: Clear auth token for OIDC
+              run: |
+                  # Remove the _authToken line so npm uses OIDC instead
+                  sed -i '/_authToken/d' ~/.npmrc
+                  cat ~/.npmrc
 
             - name: Install dependencies
               run: bun install --frozen-lockfile
@@ -53,13 +60,6 @@ jobs:
             - name: Verify charts package can be packed
               run: cd packages/charts && npm pack --dry-run
 
-            - name: Debug npm config
-              run: |
-                  echo "npm version: $(npm --version)"
-                  echo "node version: $(node --version)"
-                  npm config list
-                  cat ~/.npmrc 2>/dev/null || echo "No ~/.npmrc"
-
             - name: Publish @buildcanada/charts
               run: cd packages/charts && npm publish --access public --provenance ${{ env.DRY_RUN }}
 
@@ -82,6 +82,13 @@ jobs:
               uses: actions/setup-node@v4
               with:
                   node-version: "22"
+                  registry-url: "https://registry.npmjs.org"
+
+            - name: Clear auth token for OIDC
+              run: |
+                  # Remove the _authToken line so npm uses OIDC instead
+                  sed -i '/_authToken/d' ~/.npmrc
+                  cat ~/.npmrc
 
             - name: Install dependencies
               run: bun install --frozen-lockfile
@@ -92,12 +99,5 @@ jobs:
             - name: Verify colours package can be packed
               run: cd packages/colours && npm pack --dry-run
 
-            - name: Debug npm config
-              run: |
-                  echo "npm version: $(npm --version)"
-                  echo "node version: $(node --version)"
-                  npm config list
-                  cat ~/.npmrc 2>/dev/null || echo "No ~/.npmrc"
-
             - name: Publish @buildcanada/colours
               run: cd packages/colours && npm publish --access public --provenance ${{ env.DRY_RUN }}