Add MINIKUBE_IN_STYLE auto-detection for Windows terminal

[tstromberg]

Confirmed that color/emoji works fine with the current Windows Terminal build on Windows 10 Pro 10.0.19042. This will not impact most powershell/cmd.exe users for some time, as they do not yet use the latest Windows Terminal. Auto-detection inspired by:

https://stackoverflow.com/questions/59733731/how-do-detect-if-running-in-the-new-windows-terminal

[k8s-ci-robot]

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[tstromberg]

/ok-to-test

[minikube-pr-bot]

kvm2 Driver
error collecting results for kvm2 driver: timing run 0 with Minikube (PR 9127): timing cmd: [/home/performance-monitor/.minikube/minikube-binaries/9127/minikube start --driver=kvm2]: starting cmd: fork/exec /home/performance-monitor/.minikube/minikube-binaries/9127/minikube: exec format error
docker Driver
error collecting results for docker driver: timing run 0 with Minikube (PR 9127): timing cmd: [/home/performance-monitor/.minikube/minikube-binaries/9127/minikube start --driver=docker]: starting cmd: fork/exec /home/performance-monitor/.minikube/minikube-binaries/9127/minikube: exec format error

[minikube-pr-bot]

kvm2 Driver
Times for minikube: 65.7s 61.8s 66.3s
Average time for minikube: 64.6s

Times for Minikube (PR 9127): 63.7s 66.1s 63.6s
Average time for Minikube (PR 9127): 64.5s

Averages Time Per Log

+--------------------------------+----------+--------------------+
|              LOG               | MINIKUBE | MINIKUBE (PR 9127) |
+--------------------------------+----------+--------------------+
| * minikube v1.12.3 on Debian   | 0.1s     | 0.1s               |
|                           9.11 |          |                    |
| * Using the kvm2 driver based  | 0.0s     | 0.0s               |
| on user configuration          |          |                    |
| * Starting control plane node  | 0.0s     | 0.0s               |
| minikube in cluster minikube   |          |                    |
| * Creating kvm2 VM (CPUs=2,    | 40.3s    | 41.2s              |
| Memory=3700MB, Disk=20000MB)   |          |                    |
| ...                            |          |                    |
| * Preparing Kubernetes v1.18.3 | 22.4s    | 20.7s              |
| on Docker 19.03.12 ...         |          |                    |
| * Verifying Kubernetes         | 1.4s     | 1.4s               |
| components...                  |          |                    |
| * Enabled addons:              | 0.3s     | 1.0s               |
| default-storageclass,          |          |                    |
| storage-provisioner            |          |                    |
| * Done! kubectl is now         | 0.1s     | 0.1s               |
| configured to use "minikube"   |          |                    |
|                                | 0.0s     | 0.0s               |
+--------------------------------+----------+--------------------+

docker Driver
Times for minikube: 28.8s 26.5s 26.0s
Average time for minikube: 27.1s

Times for Minikube (PR 9127): 27.5s 28.1s 26.4s
Average time for Minikube (PR 9127): 27.3s

Averages Time Per Log

+--------------------------------+----------+--------------------+
|              LOG               | MINIKUBE | MINIKUBE (PR 9127) |
+--------------------------------+----------+--------------------+
| * minikube v1.12.3 on Debian   | 0.1s     | 0.1s               |
|                           9.11 |          |                    |
| * Using the docker driver      | 0.1s     | 0.1s               |
| based on user configuration    |          |                    |
| * Starting control plane node  | 0.1s     | 0.1s               |
| minikube in cluster minikube   |          |                    |
| * Creating docker container    | 8.8s     | 8.6s               |
| (CPUs=2, Memory=3700MB) ...    |          |                    |
| * Preparing Kubernetes v1.18.3 | 17.1s    | 17.5s              |
| on Docker 19.03.8 ...          |          |                    |
| * Verifying Kubernetes         | 0.9s     | 0.9s               |
| components...                  |          |                    |
| * Enabled addons:              | 0.0s     | 0.0s               |
| default-storageclass,          |          |                    |
| storage-provisioner            |          |                    |
| * Done! kubectl is now         | 0.1s     | 0.1s               |
| configured to use "minikube"   |          |                    |
|                                | 0.0s     | 0.0s               |
+--------------------------------+----------+--------------------+