get latest commit hash for shiva when doing CI runs instead of having it hardcoded

Author: glitch003

.github/workflows/ci.yml

@@ -42,20 +42,26 @@ jobs:
   integration-tests:
     runs-on: ubuntu-latest
     timeout-minutes: 30
-    env:
-      DATIL_COMMIT_HASH: de4511a8cfa5995187c955fe7dbe0b436db36212
     steps:
       - name: Checkout repo
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - name: Checkout Lit Actions
+      - name: Find latest datil commit hash for last successful "rust/lit-node-build-commit-hash" workflow in the Lit Assets repo
+        uses: LIT-Protocol/last-successful-build-action
+        with:
+          token: "${{ secrets.GH_PAT_FOR_SHIVA }}"
+          branch: "fix/shiva-libc6-dependency" # for testing, change to datil when finished
+          workflow: "rust/lit-node-build-commit-hash"
+          repo: LIT-Protocol/lit-assets
+          # this outputs to dollarSign{{ github.sha }}
+      - name: Checkout Lit Assets
         uses: actions/checkout@v4
         id: checkout
         with: 
           fetch-depth: 0
           repository: LIT-Protocol/lit-assets
-          ref: ${{env.DATIL_COMMIT_HASH}}
+          ref: ${{ github.sha }}
           token: ${{secrets.GH_PAT_FOR_SHIVA}}
           path: ${{ github.workspace }}/lit-assets/
           submodules: false
@@ -75,7 +81,7 @@ jobs:
         run: docker pull ghcr.io/lit-protocol/shiva:latest 
       - name: Run Shiva Container
         id: shiva-runner
-        run: docker run -d -m 32g -p 8000:8000 -p 8545:8545 -p 7470:7470 -p 7471:7471 -p 7472:7472 -p 7473:7473 -p 7474:7474 -p 7475:7475 -v ${{github.workspace}}/lit-assets:/data -e GH_PAT=${{secrets.GH_PAT_FOR_SHIVA}} -e HASH=$DATIL_COMMIT_HASH -e IPFS_API_KEY=${{secrets.IPFS_API_KEY}} --name shiva ghcr.io/lit-protocol/shiva:latest
+        run: docker run -d -m 32g -p 8000:8000 -p 8545:8545 -p 7470:7470 -p 7471:7471 -p 7472:7472 -p 7473:7473 -p 7474:7474 -p 7475:7475 -v ${{github.workspace}}/lit-assets:/data -e GH_PAT=${{secrets.GH_PAT_FOR_SHIVA}} -e HASH=${{ github.sha }} -e IPFS_API_KEY=${{secrets.IPFS_API_KEY}} --name shiva ghcr.io/lit-protocol/shiva:latest
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with: