ci: update deploy-mdbooks action to fix mermaid display issue (#3289)

## What ❔

Update `deploy-mdbooks` action version.

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## Why ❔

To fix displaying of Mermaid diagrams.

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## Checklist

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- [x] PR title corresponds to the body of PR (we generate changelog
entries from PRs).
- [x] Tests for the changes have been added / updated.
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lint`.

.github/workflows/deploy-core-docs.yml

@@ -57,7 +57,7 @@ jobs:
           echo "version=${VERSION}" >> "${GITHUB_OUTPUT}"
 
       - name: Deploy core docs
-        uses: matter-labs/deploy-mdbooks@77856145362bf23834f2e54a44a928790c4bee7c # v1
+        uses: matter-labs/deploy-mdbooks@73f638643d1be948d1002fe5433747f4a3e37a29 # v1
         with:
           version: ${{ inputs.version || steps.extract-version.outputs.version || github.ref_name }}
           docs-dir: ${{ env.DOCS_DIR }}

.github/workflows/deploy-prover-docs.yml

@@ -57,7 +57,7 @@ jobs:
           echo "version=${VERSION}" >> "${GITHUB_OUTPUT}"
 
       - name: Deploy prover docs
-        uses: matter-labs/deploy-mdbooks@77856145362bf23834f2e54a44a928790c4bee7c # v1
+        uses: matter-labs/deploy-mdbooks@73f638643d1be948d1002fe5433747f4a3e37a29 # v1
         with:
           version: ${{ inputs.version || steps.extract-version.outputs.version || github.ref_name }}
           docs-dir: ${{ env.DOCS_DIR }}