chore(deps): pin dtolnay/rust-toolchain action to 631a55b

Author: renovate[bot]

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
           persist-credentials: false
 
       - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@631a55b12751854ce901bb631d5902ceb48146f7 # stable
 
       - name: Run cargo check
         run: cargo check
@@ -37,7 +37,7 @@ jobs:
           persist-credentials: false
 
       - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@631a55b12751854ce901bb631d5902ceb48146f7 # stable
 
       - name: Run cargo test
         run: cargo test
@@ -52,7 +52,7 @@ jobs:
           persist-credentials: false
 
       - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@631a55b12751854ce901bb631d5902ceb48146f7 # stable
         with:
           components: rustfmt
 
@@ -69,7 +69,7 @@ jobs:
           persist-credentials: false
 
       - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@631a55b12751854ce901bb631d5902ceb48146f7 # stable
         with:
           components: clippy
 

.github/workflows/release-plz.yml

@@ -25,7 +25,7 @@ jobs:
           fetch-depth: 0
           persist-credentials: true
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@631a55b12751854ce901bb631d5902ceb48146f7 # stable
       - name: Run release-plz
         uses: release-plz/action@f4facd4a76fecd4b1b94f718c4f5e80510150720 # v0.5
         with:
@@ -57,7 +57,7 @@ jobs:
           fetch-depth: 0
           persist-credentials: true
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@631a55b12751854ce901bb631d5902ceb48146f7 # stable
       - name: Run release-plz
         uses: release-plz/action@f4facd4a76fecd4b1b94f718c4f5e80510150720 # v0.5
         with: