Pin to exact GH actions, preventing ACE in CI

Also updates actions.

.github/actions/bitcoin/action.yml

@@ -12,7 +12,7 @@ runs:
   steps:
     - name: Bitcoin Daemon Cache
       id: cache-bitcoind
-      uses: actions/cache@v3
+      uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84
       with:
         path: bitcoin.tar.gz
         key: bitcoind-${{ runner.os }}-${{ runner.arch }}-${{ inputs.version }}

.github/actions/build-dependencies/action.yml

@@ -21,7 +21,7 @@ runs:
   using: "composite"
   steps:
     - name: Install Protobuf
-      uses: arduino/setup-protoc@v2.0.0
+      uses: arduino/setup-protoc@a8b67ba40b37d35169e222f3bb352603327985b6
       with:
         repo-token: ${{ inputs.github-token }}
 
@@ -33,11 +33,11 @@ runs:
         solc-select use 0.8.16
 
     - name: Install Rust
-      uses: dtolnay/rust-toolchain@master
+      uses: dtolnay/rust-toolchain@5cb429dd810e16ff67df78472fa81cf760f4d1c0
       with:
         toolchain: ${{ inputs.rust-toolchain }}
         components: ${{ inputs.rust-components }}
         targets: wasm32-unknown-unknown, riscv32imac-unknown-none-elf
 
     # - name: Cache Rust
-    #   uses: Swatinem/rust-cache@v2
+    #   uses: Swatinem/rust-cache@a95ba195448af2da9b00fb742d14ffaaf3c21f43

.github/actions/monero-wallet-rpc/action.yml

@@ -12,7 +12,7 @@ runs:
   steps:
     - name: Monero Wallet RPC Cache
       id: cache-monero-wallet-rpc
-      uses: actions/cache@v3
+      uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84
       with:
         path: monero-wallet-rpc
         key: monero-wallet-rpc-${{ runner.os }}-${{ runner.arch }}-${{ inputs.version }}

.github/actions/monero/action.yml

@@ -12,7 +12,7 @@ runs:
   steps:
     - name: Monero Daemon Cache
       id: cache-monerod
-      uses: actions/cache@v3
+      uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84
       with:
         path: monerod
         key: monerod-${{ runner.os }}-${{ runner.arch }}-${{ inputs.version }}

.github/actions/test-dependencies/action.yml

@@ -26,7 +26,7 @@ runs:
         github-token: ${{ inputs.github-token }}
 
     - name: Install Foundry
-      uses: foundry-rs/foundry-toolchain@v1
+      uses: foundry-rs/foundry-toolchain@cb603ca0abb544f301eaed59ac0baf579aa6aecf
       with:
         version: nightly