fix: min version for build is 1.65.0 now

Author: clechasseur

.github/workflows/ci.yml

@@ -98,7 +98,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        toolchain: [ 1.56.1, stable, beta, nightly ]
+        toolchain: [ 1.65.0, stable, beta, nightly ]
         os: [ ubuntu, macos, windows ]
         ignore-lock: [ false, true ]
         all-features: [ false, true ]