Migrate CI to dogfooding cluster

Migrate all CI jobs and tags to run on the BigBang dogfood cluster (defined here).

See relevant docs for runner configuration and justification here

.gitlab-ci/jobs/k3d/.gitlab-ci.yml

 .k3d_before_script: &k3d_before_script
   # Starting dnsmasq for cluster dns resolution
-  - docker run -d -p 53:53/udp -p 53:53 registry.dsop.io/platform-one/big-bang/pipeline-templates/pipeline-templates/go-dnsmasq:0eddd476
-  - echo "nameserver 127.0.0.1" >> /etc/resolv.conf
+#  - docker run -d -p 53:53/udp -p 53:53 registry.dsop.io/platform-one/big-bang/pipeline-templates/pipeline-templates/go-dnsmasq:0eddd476
+#  - echo "nameserver 127.0.0.1" >> /etc/resolv.conf
   # Standup cluster
   - k3d cluster create ${CLUSTER_NAME}  --k3s-server-arg "--disable=traefik" --k3s-server-arg "--disable=metrics-server" -p 80:80@loadbalancer -p 443:443@loadbalancer --wait --agents $N_AGENTS --servers $N_SERVERS
   - while ! (kubectl get node | grep "server" > /dev/null); do sleep 3; done
@@ -18,7 +18,7 @@
   tags:
     - bigbang
     - privileged
-    - public
+    - dogfood
   variables:
     DOCKER_HOST: tcp://localhost:2375/
     DOCKER_DRIVER: overlay2
@@ -26,7 +26,7 @@
     CLUSTER_NAME: ${CI_COMMIT_REF_SLUG}
     N_SERVERS: 1
     N_AGENTS: 0
-  before_script:
-    - *k3d_before_script
-  after_script:
-    - *k3d_after_script
\ No newline at end of file
+#  before_script:
+#    - *k3d_before_script
+#  after_script:
+#    - *k3d_after_script
\ No newline at end of file