[chore] only run unit tests for actuated on a single version (open-te…

…lemetry#10062)

We do the same for the contrib repo.

cc @atoulme

Signed-off-by: Alex Boten <223565+codeboten@users.noreply.github.com>

.github/workflows/build-and-test.yml

@@ -138,6 +138,9 @@ jobs:
     strategy:
       matrix:
         runner: [ubuntu-latest, actuated-arm64-4cpu-4gb]
+        exclude:
+          - go-version: "1.21.9"
+            runner: actuated-arm64-4cpu-4gb
         go-version: ["~1.22", "~1.21.9"] # 1.20 needs quotes otherwise it's interpreted as 1.2
     runs-on: ${{ matrix.runner }}
     needs: [setup-environment]