ci: update the MSRV toolchain so that it uses 1.85.0

Author: mgoldenberg

.github/workflows/test.yml

@@ -1,6 +1,6 @@
 name: Test
 on:
-  workflow_call: { }
+  workflow_call: {}
   push:
     branches:
       - master
@@ -104,7 +104,7 @@ jobs:
         include:
           - toolchain: nightly-2025-05-05
             os: ubuntu-latest
-          - toolchain: 1.75.0
+          - toolchain: 1.85.0
             os: ubuntu-latest
           - toolchain: stable
             os: ubuntu-latest
@@ -120,7 +120,7 @@ jobs:
       fail-fast: false
       matrix:
         flags:
-          - ''
+          - ""
           - --features cursors
           - --features dates
           - --features indices