Refactor: Addressing SecObserve advisories

Author: Saul-STFC

.github/workflows/pr_security-checks.yml

@@ -26,9 +26,10 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@efa25f7f19611383d5b0ccf2d1c8914531636bf9
-        with:
-          toolchain: ${{ env.RUST_TOOLCHAIN_VERSION }}
+      - name: Install rust toolchain
+        run: | 
+            rustup toolchain install "${RUST_TOOLCHAIN_VERSION}"
+            rustup default "${RUST_TOOLCHAIN_VERSION}"
       - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
         with:
           key: udeps
@@ -51,9 +52,10 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@efa25f7f19611383d5b0ccf2d1c8914531636bf9
-        with:
-          toolchain: ${{ env.RUST_TOOLCHAIN_VERSION }}
+      - name: Install rust toolchain
+        run: | 
+            rustup toolchain install "${RUST_TOOLCHAIN_VERSION}"
+            rustup default "${RUST_TOOLCHAIN_VERSION}"
       - uses: EmbarkStudios/cargo-deny-action@3fd3802e88374d3fe9159b834c7714ec57d6c979 # v2.0.15
         with:
           command: check ${{ matrix.checks }}

.github/workflows/publish-docs.yml

@@ -26,9 +26,10 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: dtolnay/rust-toolchain@efa25f7f19611383d5b0ccf2d1c8914531636bf9
-        with:
-          toolchain: ${{ env.RUST_TOOLCHAIN_VERSION }}
+      - name: Install rust toolchain
+        run: | 
+            rustup toolchain install "${RUST_TOOLCHAIN_VERSION}"
+            rustup default "${RUST_TOOLCHAIN_VERSION}"
 
       - name: Build Crate Docs
         run: cargo doc --no-deps --all-features