Update minikube version to v1.26.0 and revert OLM_VERSION for install.sh to 0.18.1 (#1190)

Signed-off-by: Pavel Macík <[email protected]>

Author: pmacik

.github/workflows/pr-checks.yaml

@@ -11,7 +11,7 @@ env:
   MINIKUBE_WANTUPDATENOTIFICATION: false
   MINIKUBE_WANTREPORTERRORPROMPT: false
   K8S_VERSION: "1.19.2"
-  MINIKUBE_VERSION: "1.21.0"
+  MINIKUBE_VERSION: "1.26.0"
   TEST_ACCEPTANCE_CLI: "kubectl"
   TEST_RESULTS: "out/acceptance-tests"
 

install.sh

@@ -1,6 +1,6 @@
 #!/bin/bash -e
 
-OLM_VERSION=0.21.2
+OLM_VERSION=${OLM_VERSION:-0.18.1}
 OPERATOR_CHANNEL=${OPERATOR_CHANNEL:-beta}
 OPERATOR_PACKAGE=${OPERATOR_PACKAGE:-service-binding-operator}
 DOCKER_CFG=${DOCKER_CFG:-$HOME/.docker/config.json}