chore(gh): update tests workflow (#2456)

- Renames `unit_tests.yml` to `test.yml`.
- Updates workflow to retrieve the go version from `go.mod`.

Signed-off-by: Ryan Johnson <[email protected]>

Author: tenthirtyam

.github/workflows/unit_tests.yaml renamed to .github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: Unit Tests
+name: Tests
 
 on:
   push:
@@ -16,10 +16,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
-      - name: Set up Go
+      - name: Setup Go
         uses: actions/setup-go@0aaccfd150d50ccaeb58ebd88d36e91967a5f35b # v5.4.0
         with:
-          go-version-file: '.go-version'
+          go-version-file: go.mod
       - name: Go mod verify
         run: go mod verify
       - name: Run unit tests