integration: Remove containerd workaround for TestTraceOomkill

Bring in the fix (containerd/containerd#7815)
related to swap limit in containerd by upgrading minikube to v1.29.0
(containerd 1.6.15).

.github/workflows/inspektor-gadget.yml

@@ -544,13 +544,6 @@ jobs:
           sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu  $(lsb_release -cs)  test"
           sudo apt-get update
           sudo apt-get install docker-ce
-      # For containerd, swap limit isn't propogated to memory controller of pod cgroup with
-      # memory.memsw.limit_in_bytes set to a large value, resulting in OOM not triggered.
-      # Disable swap to make things simpler for us
-      - name: Disable swap for ${{ matrix.runtime }}
-        if: matrix.runtime == 'containerd'
-        run: |
-          sudo swapoff -a
       - name: Run integration for container runtime ${{ matrix.runtime }}
         run: |
           set -o pipefail

minikube.mk

@@ -1,4 +1,4 @@
-MINIKUBE_VERSION ?= v1.28.0
+MINIKUBE_VERSION ?= v1.29.0
 KUBERNETES_VERSION ?= v1.24.6
 MINIKUBE_DRIVER ?= docker