chore: revert distinctive CI names due to branch protection rules

The new names, such as `Test Platform Matrix` which do make it easier to
see which jobs failed, rather than msrv, test, and miri all being called
`Test Suite`, the in-place branch protection rules wait forever until
the now non-existent `Test Suite` passes

.github/workflows/ci.yml

@@ -55,7 +55,7 @@ jobs:
           args: ${{ matrix.features }}
 
   test-msrv:
-    name: Test MSRV
+    name: Test Suite
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -76,7 +76,7 @@ jobs:
           command: test
 
   test-os:
-    name: Test Platform Matrix
+    name: Test Suite
     runs-on: ${{ matrix.os }}
     strategy:
       matrix: