CI: Use cargo-about version 0.6.1

This will fix compatibility with Rust nightly / 1.76.

.github/workflows/ci.yml

@@ -142,7 +142,7 @@ jobs:
       # Note: Swatinem/rust-cache will cache these installed binaries, so we don't have to worry
       # about caching the builds of them.
       run: |
-        cargo install [email protected] cargo-about@0.5.6 [email protected]
+        cargo install [email protected] cargo-about@0.6.1 [email protected]
 
 
     - run: df -h .
@@ -263,7 +263,7 @@ jobs:
     - name: Install tools
       # These should already be installed but we might have a cache miss, so don't fail in that case.
       run: |
-        cargo install [email protected] cargo-about@0.5.6
+        cargo install [email protected] cargo-about@0.6.1
 
     - run: df -h .
 

.github/workflows/unstable-ci.yml

@@ -99,7 +99,7 @@ jobs:
       # Note: Swatinem/rust-cache will cache these installed binaries, so we don't have to worry
       # about caching the builds of them.
       run: |
-        cargo install [email protected] cargo-about@0.5.6
+        cargo install [email protected] cargo-about@0.6.1
 
     - name: Compile basic tests
       # compile is broken out so we have visibility into compile vs. run times