Update actions/github-script action to v8 (#109)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/continuous-integration.yml

@@ -62,7 +62,7 @@ jobs:
 
     steps:
       - name: "Request review from @nucleos-bot"
-        uses: "actions/github-script@v7"
+        uses: "actions/github-script@v8"
         with:
           github-token: "${{ secrets.NUCLEOS_BOT_TOKEN }}"
           script: |
@@ -79,7 +79,7 @@ jobs:
             })
 
       - name: "Assign @nucleos-bot"
-        uses: "actions/github-script@v7"
+        uses: "actions/github-script@v8"
         with:
           github-token: "${{ secrets.NUCLEOS_BOT_TOKEN }}"
           script: |
@@ -96,7 +96,7 @@ jobs:
             })
 
       - name: "Approve pull request"
-        uses: "actions/github-script@v7"
+        uses: "actions/github-script@v8"
         if: "github.actor != 'nucleos-bot'"
         with:
           github-token: "${{ secrets.NUCLEOS_BOT_TOKEN }}"
@@ -111,7 +111,7 @@ jobs:
             })
 
       - name: "Merge pull request"
-        uses: "actions/github-script@v7"
+        uses: "actions/github-script@v8"
         with:
           github-token: "${{ secrets.NUCLEOS_BOT_TOKEN }}"
           script: |