ci(tools): update build tools to v6

Author: renovate[bot]

.github/workflows/testing.yml

@@ -30,7 +30,7 @@ jobs:
 
       - name: Setup python
         id: python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version-file: .python-version
 

.github/workflows/updates.yml

@@ -35,7 +35,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup golang
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version-file: go.mod