Bump asymmetric crypto dependencies; MSRV 1.65 (#490)

Bumps the following dependencies to the latest versions:

- `elliptic-curve` v0.13
- `k256` v0.13
- `p256` v0.13
- `p384` v0.13
- `pbkdf2` v0.12
- `rsa` v0.9.0-pre.0
- `signature` v2

.github/workflows/ci.yml

@@ -36,13 +36,13 @@ jobs:
             toolchain: stable
             deps: true
           - platform: ubuntu-latest
-            toolchain: 1.60.0 # MSRV
+            toolchain: 1.65.0 # MSRV
             deps: sudo apt-get install libpcsclite-dev
           - platform: windows-latest
-            toolchain: 1.60.0 # MSRV
+            toolchain: 1.65.0 # MSRV
             deps: true
           - platform: macos-latest
-            toolchain: 1.60.0 # MSRV
+            toolchain: 1.65.0 # MSRV
             deps: true
     runs-on: ${{ matrix.platform }}
     steps: