Update docspec to latest release URL

Author: harendra-kumar

.circleci/config.yml

@@ -180,7 +180,7 @@ jobs:
               DISABLE_BENCH: "y"
               DISABLE_DOCS: "y"
               ENABLE_DOCSPEC: "y"
-              DOCSPEC_URL: https://github.com/phadej/cabal-extras/releases/download/cabal-docspec-0.0.0.20210111/cabal-docspec-0.0.0.20210111.xz
+              DOCSPEC_URL: https://github.com/phadej/cabal-extras/releases/download/cabal-docspec-0.0.0.20250606/cabal-docspec-0.0.0.20250606-x86_64-linux.xz
               DOCSPEC_OPTIONS: "--timeout 60 --check-properties --property-variables xs"
             command: |
               sed -i 's/other-modules:/exposed-modules:/g' streamly.cabal