fix: remove backticks from error message (#8)

action.yaml

@@ -29,7 +29,7 @@ runs:
       if: ${{ inputs.cache == 'true' && inputs.version == 'latest' }}
       shell: bash
       run: |
-        echo "'setup-trivy' doesn't currently support caching the `latest` version"
+        echo "'setup-trivy' doesn't currently support caching the 'latest' version"
         echo "read https://github.com/aquasecurity/setup-trivy?tab=readme-ov-file#caching for more details"
 
     - name: Restore Trivy binary from cache
@@ -61,4 +61,4 @@ runs:
     ## Add the Trivy binary, retrieved from cache or installed by a script, to $GITHUB_PATH
     - name: Add Trivy binary to $GITHUB_PATH
       shell: bash
-      run: echo ${{ steps.binary-dir.outputs.dir }} >> $GITHUB_PATH
+      run: echo ${{ steps.binary-dir.outputs.dir }} >> $GITHUB_PATH