CI: use 1.85 (no '.0') as the consistent MSRV

Author: tarcieri

.github/workflows/spake2.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.85.0 # MSRV
+          - 1.85 # MSRV
           - stable
         target:
           - thumbv7em-none-eabi
@@ -40,7 +40,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.85.0 # MSRV
+          - 1.85 # MSRV
           - stable
     steps:
       - uses: actions/checkout@v6

.github/workflows/srp.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.85.0 # MSRV
+          - 1.85 # MSRV
           - stable
         target:
           - thumbv7em-none-eabi