ci: Add anyhow to test feature matrix

Also add to docs.rs feature list.

Author: Techcable

.github/workflows/test.yml

@@ -61,14 +61,16 @@ jobs:
           - "dynamic-keys"
           - "std"
           - "std nested-values"
+          - "std nested-values anyhow"
           - "std dynamic-keys"
           - "std nothreads"
           - "std nested-values dynamic-keys"
           - "std nested-values dynamic-keys nothreads"
+          - "std nested-values dynamic-keys anyhow"
         include:
           # Our MSRV doesn't support parking_lot, so explicitly test it here
           - rust: stable
-            features: "std parking_lot_0_12"
+            features: "std nested-values parking_lot_0_12"
 
     steps:
       - uses: actions/checkout@v4

Cargo.toml

@@ -132,7 +132,14 @@ name = "singlethread"
 required-features = ["nothreads"]
 
 [package.metadata.docs.rs]
-features = ["std", "nested-values", "dynamic-keys"]
+# Should enable most features
+features = [
+    "std",
+    "nested-values",
+    "dynamic-keys",
+    "anyhow",
+    "parking_lot_0_12"
+]
 
 [workspace]
 members = [