try fixing spurious CI failures on windows

It seems like it may be related to self-update? Anyways, I think we
should be disabling self-update on CI

Author: matklad

.github/workflows/ci.yaml

@@ -39,7 +39,7 @@ jobs:
 
     - name: Install Rust toolchain
       run: |
-        rustup update stable
+        rustup update --no-self-update stable
         rustup component add rustfmt rust-src
 
     - name: Cache Dependencies
@@ -69,7 +69,7 @@ jobs:
 
     - name: Install Rust toolchain
       run: |
-        rustup update stable
+        rustup update --no-self-update stable
         rustup target add ${{ env.targets }} ${{ env.targets_ide }}
 
     - name: Cache Dependencies

.github/workflows/metrics.yaml

@@ -21,7 +21,7 @@ jobs:
 
     - name: Install Rust toolchain
       run: |
-        rustup update stable
+        rustup update --no-self-update stable
         rustup component add rustfmt rust-src
 
     - name: Collect metrics

.github/workflows/publish.yml

@@ -20,7 +20,7 @@ jobs:
           fetch-depth: 0
 
       - name: Install Rust toolchain
-        run: rustup update stable
+        run: rustup update --no-self-update stable
 
       - name: Install cargo-workspaces
         run: cargo install cargo-workspaces

.github/workflows/release.yaml

@@ -57,7 +57,7 @@ jobs:
 
       - name: Install Rust toolchain
         run: |
-          rustup update stable
+          rustup update --no-self-update stable
           rustup target add ${{ matrix.target }}
           rustup component add rust-src
 

.github/workflows/rustdoc.yaml

@@ -20,7 +20,7 @@ jobs:
       uses: actions/checkout@v3
 
     - name: Install Rust toolchain
-      run: rustup update stable
+      run: rustup update --no-self-update stable
 
     - name: Build Documentation
       run: cargo doc --all --no-deps