ci: explicitly use rust compiler 1.77.1 on python ci runs

.github/workflows/live-tests.yaml

@@ -74,9 +74,11 @@ jobs:
         uses: actions/checkout@v3
         with:
           submodules: true
-      - uses: actions-rs/toolchain@v1
+
+      - name: "Install Rust 1.77.1"
+        uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: 1.77.1
 
       - name: "Generate bdk.py and binaries"
         run: bash ./scripts/generate-linux.sh

.github/workflows/publish-python.yaml

@@ -31,11 +31,12 @@ jobs:
         uses: actions/checkout@v3
         with:
           submodules: true
-      # TODO 2: Other CI workflows use explicit Rust compiler versions, I think we should do the same here
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
 
+      - name: "Install Rust 1.77.1"
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.77.1
+          
       - name: "Generate bdk.py and binaries"
         run: bash ./scripts/generate-linux.sh
 

.github/workflows/test-python.yaml

@@ -40,10 +40,12 @@ jobs:
         uses: actions/checkout@v3
         with:
           submodules: true
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
 
+      - name: "Install Rust 1.77.1"
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.77.1
+          
       - name: "Generate bdk.py and binaries"
         run: bash ./scripts/generate-linux.sh