ci: Move the Renovate config file to the default location

Move `renovate.json` to its default location to make it easier to find.

Signed-off-by: Martin Nonnenmacher <martin.nonnenmacher@bosch.com>

.github/workflows/static-analysis.yml

@@ -122,7 +122,7 @@ jobs:
       uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
 
     - name: Validate Repository Renovate Config
-      run: npx -y --package renovate -- renovate-config-validator .github/renovate.json
+      run: npx -y --package renovate -- renovate-config-validator renovate.json
 
   reuse-tool:
     runs-on: ubuntu-24.04

.reuse/dep5

@@ -44,6 +44,10 @@ Files: README.md
 Copyright: 2022 The ORT Server Authors (See <https://github.com/eclipse-apoapsis/ort-server/blob/main/NOTICE>)
 License: Apache-2.0
 
+Files: renovate.json
+Copyright: 2024 The ORT Server Authors (See <https://github.com/eclipse-apoapsis/ort-server/blob/main/NOTICE>)
+License: Apache-2.0
+
 Files: */package.json
 Copyright: 2024 The ORT Server Authors (See <https://github.com/eclipse-apoapsis/ort-server/blob/main/NOTICE>)
 License: Apache-2.0