ci: fix MSRV jobs with cargo update

Author: notmandatory

.github/workflows/cont_integration.yml

@@ -48,6 +48,14 @@ jobs:
           profile: minimal
           override: true
           components: rustfmt, clippy
+      - name: Pin dependencies for MSRV
+        if: matrix.rust == '1.57.0'
+        run: |
+          cargo update
+          cargo update -p log --precise 0.4.18
+          cargo update -p hashlink --precise 0.8.0
+          cargo update -p tempfile:3.7.0 --precise 3.6.0
+          cargo update -p base64ct --precise 1.5.3
       - name: Build
         run: cargo build --no-default-features --features repl,${{ matrix.features }} --locked
       - name: Clippy
@@ -81,6 +89,13 @@ jobs:
       - run: sudo apt-get install -y libclang-common-10-dev clang-10 libc6-dev-i386 || exit 1
       - name: Set default toolchain
         run: rustup default 1.57.0 # MSRV
+      - name: Pin dependencies for MSRV
+        run: |
+          cargo update
+          cargo update -p log --precise 0.4.18
+          cargo update -p hashlink --precise 0.8.0
+          cargo update -p tempfile:3.7.0 --precise 3.6.0
+          cargo update -p base64ct --precise 1.5.3
       - name: Set profile
         run: rustup set profile minimal
       - name: Add target wasm32