infra: fix core release (#17195)

core doesn't have any min deps to test

.github/workflows/_release.yml

@@ -182,6 +182,7 @@ jobs:
         working-directory: ${{ inputs.working-directory }}
 
       - name: Get minimum versions
+        if: ${{ !startsWith(inputs.working-directory, 'libs/core') }}
         working-directory: ${{ inputs.working-directory }}
         id: min-version
         run: |
@@ -191,6 +192,7 @@ jobs:
           echo "min-versions=$min_versions"
 
       - name: Run unit tests with minimum dependency versions
+        if: ${{ !startsWith(inputs.working-directory, 'libs/core') }}
         env:
           MIN_VERSIONS: ${{ steps.min-version.outputs.min-versions }}
         run: |