chore: Build images only on amd platform (#3981)

* chore: Build images only on amd platform

* EOFs

Author: mrCherry97

.github/workflows/busola-backend-build.yml

@@ -34,3 +34,5 @@ jobs:
       dockerfile: Dockerfile
       context: backend
       tags: ${{ inputs.tag != '' && inputs.tag || 'latest' }}
+      platforms: |
+        linux/amd64

.github/workflows/busola-build.yml

@@ -49,3 +49,5 @@ jobs:
       dockerfile: Dockerfile
       tags: ${{ inputs.tag != '' && inputs.tag || 'latest' }}
       build-args: ${{ inputs.tag != '' && format('tag={0}', inputs.tag) || '' }}
+      platforms: |
+        linux/amd64

.github/workflows/busola-web-build.yml

@@ -44,3 +44,5 @@ jobs:
       dockerfile: Dockerfile.web
       tags: ${{ inputs.tag != '' && inputs.tag || 'latest' }}
       build-args: ${{ inputs.tag != '' && format('tag={0}', inputs.tag) || '' }}
+      platforms: |
+        linux/amd64