Update dependencies

Author: martynp

.github/workflows/docker.yml

@@ -31,4 +31,4 @@ jobs:
           context: .
           platforms: linux/amd64,linux/arm/v7,linux/arm64
           push: true
-          tags: martynp/tangy:${{ github.ref_name }}, martynp/tangy:latest
+          tags: martynp/tangy:${{ github.ref_name }}, martynp/tangy:latest

.github/workflows/tang.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
 
     - uses: actions/checkout@v4
-    - uses: dtolnay/rust-toolchain@1.77.1
+    - uses: dtolnay/rust-toolchain@1.81.0
 
     - name: Build Tangy
       run: |