Update smartcontractkit/chainlink-solana requirement to 6591f53e1897c…

…c58123bb2fc2d13377646d7ffe7

Updates the requirements on [smartcontractkit/chainlink-solana](https://github.com/smartcontractkit/chainlink-solana) to permit the latest version.
- [Release notes](https://github.com/smartcontractkit/chainlink-solana/releases)
- [Commits](https://github.com/smartcontractkit/chainlink-solana/commits/6591f53e1897cc58123bb2fc2d13377646d7ffe7)

---
updated-dependencies:
- dependency-name: smartcontractkit/chainlink-solana
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/integration-tests.yml

@@ -828,7 +828,7 @@ jobs:
           ref: ${{ needs.get_solana_sha.outputs.sha }}
       - name: Get ProjectSerum Version
         id: psversion
-        uses: smartcontractkit/chainlink-solana/.github/actions/projectserum_version@4b971869e26b79c7ce3fb7c98005cc2e3f350915 # stable action on Oct 12 2022
+        uses: smartcontractkit/chainlink-solana/.github/actions/projectserum_version@6591f53e1897cc58123bb2fc2d13377646d7ffe7 # stable action on Oct 12 2022
 
   solana-test-image-exists:
     environment: integration
@@ -892,7 +892,7 @@ jobs:
           ref: ${{ needs.get_solana_sha.outputs.sha }}
       - name: Build contracts
         if: (needs.changes.outputs.src == 'true' || github.event_name == 'workflow_dispatch') && needs.solana-test-image-exists.outputs.exists == 'false'
-        uses: smartcontractkit/chainlink-solana/.github/actions/build_contract_artifacts@21675b3a7dcdff8e790391708d4763020cace21e # stable action on December 18 2023
+        uses: smartcontractkit/chainlink-solana/.github/actions/build_contract_artifacts@6591f53e1897cc58123bb2fc2d13377646d7ffe7 # stable action on December 18 2023
         with:
           ref: ${{ needs.get_solana_sha.outputs.sha }}