CI: update colima (v0.5.5→v0.6.5)

Signed-off-by: Akihiro Suda <[email protected]>

Author: AkihiroSuda

.github/workflows/test.yml

@@ -263,11 +263,13 @@ jobs:
     timeout-minutes: 120
     strategy:
       matrix:
-        colima-version: ["v0.5.5"]
+        colima-version: ["v0.6.5"]
     steps:
     - uses: actions/checkout@v4
       with:
-        fetch-depth: 1
+        # fetch-depth is set to 0 to let `limactl --version` print semver-ish version
+        fetch-depth: 0
+        ref: ${{ github.event.pull_request.head.sha }}
     - uses: actions/setup-go@v4
       with:
         go-version: 1.20.x