build(deps): bump gitpod/workspace-go from 9118b93 to 8b9a0f6

Bumps gitpod/workspace-go from `9118b93` to `8b9a0f6`.

---
updated-dependencies:
- dependency-name: gitpod/workspace-go
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Dockerfile.gitpod

@@ -15,4 +15,4 @@
 # SPDX-License-Identifier: Apache-2.0
 # Copyright (c) OWASP Foundation. All Rights Reserved.
 
-FROM gitpod/workspace-go:latest@sha256:9118b9398357b5136e6dd026dd357503c2e4ad385c097b2ba596af6f2d5a2b6b
+FROM gitpod/workspace-go:latest@sha256:8b9a0f68edeb1e05f78a4988a18125feb9603a33e2726b12dc7e462e4cbbdac0