Bump test from 1.25.15 to 1.26.2

Bumps [test](https://github.com/dart-lang/test/tree/master/pkgs) from 1.25.15 to 1.26.2.
- [Release notes](https://github.com/dart-lang/test/releases)
- [Commits](https://github.com/dart-lang/test/commits/test-v1.26.2/pkgs)

---
updated-dependencies:
- dependency-name: test
  dependency-version: 1.26.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pubspec.lock

@@ -763,26 +763,26 @@ packages:
     dependency: "direct dev"
     description:
       name: test
-      sha256: "301b213cd241ca982e9ba50266bd3f5bd1ea33f1455554c5abb85d1be0e2d87e"
+      sha256: "65e29d831719be0591f7b3b1a32a3cda258ec98c58c7b25f7b84241bc31215bb"
       url: "https://pub.dev"
     source: hosted
-    version: "1.25.15"
+    version: "1.26.2"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
+      sha256: "522f00f556e73044315fa4585ec3270f1808a4b186c936e612cab0b565ff1e00"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.4"
+    version: "0.7.6"
   test_core:
     dependency: transitive
     description:
       name: test_core
-      sha256: "84d17c3486c8dfdbe5e12a50c8ae176d15e2a771b96909a9442b40173649ccaa"
+      sha256: "80bf5a02b60af04b09e14f6fe68b921aad119493e26e490deaca5993fef1b05a"
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.8"
+    version: "0.6.11"
   tfchain_client:
     dependency: "direct main"
     description: