Pin dependencies for MSRV

Author: arik-so

.github/workflows/build.yml

@@ -44,6 +44,13 @@ jobs:
       - name: Set RUSTFLAGS to deny warnings
         if: "matrix.toolchain == '1.63.0'"
         run: echo "RUSTFLAGS=-D warnings" >> "$GITHUB_ENV"
+      - name: Pin rustls on MSRV
+        if: "matrix.toolchain == '1.63.0'"
+        run: |
+          cargo update -p idna_adapter --precise "1.1.0" --verbose
+          cargo update -p [email protected] --precise "2.5.0" --verbose
+          cargo update -p tokio --precise "1.35.1" --verbose
+          cargo update -p tokio-util --precise "0.7.11" --verbose
       - name: Enable caching for bitcoind
         id: cache-bitcoind
         uses: actions/cache@v4