update release tag retrieval method

.github/workflows/larch_to_s3.yml

@@ -1,9 +1,5 @@
 name: larch to S3
 
-permissions:
-  id-token: write
-  contents: read
-
 on:
   workflow_dispatch:
   push:
@@ -21,16 +17,13 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Get Release Version
-        id: get_version
-        run: |
-          VERSION=$(curl -s "https://api.github.com/repos/${GITHUB_REPOSITORY}/releases/latest" | jq -r .tag_name)
-          echo "Release version: $VERSION"
-          echo "::set-output name=version::$VERSION"
+      - name: Get release tag name
+        id: get_tag_name
+        run: echo "RELEASE_TAG=${{ github.event.release.tag_name }}" >> $GITHUB_ENV
 
       - name: Zip repository
         run: |
-          zip -r "larch_${{ steps.get_version.outputs.version }}.zip" .
+          zip -r "larch_${RELEASE_TAG}.zip" .
           zip -r "larch_latest.zip" .
 
       - name: ConfigureAWS Credentials 
@@ -42,5 +35,5 @@ jobs:
 
       - name: Upload to S3
         run: |
-          aws s3 cp "./larch_${{ steps.get_version.outputs.version }}.zip" s3://impact-repo-dependancies/larch/
+          aws s3 cp "./larch_${RELEASE_TAG}.zip" s3://impact-repo-dependancies/larch/
           aws s3 cp "./larch_latest.zip" s3://impact-repo-dependancies/larch/